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Files W.F.F. Archive Patent and Equipment Records Application for Patent on Authenticating Device and Related Correspondence, 1944-1950
Amendment to Patent Application "Authenticating Device"-Serial Number 551,172
Document A363568
64.3 KiB
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Amendment to Patent Application for "Authenticating Device"-Serial Number 551,172
Document A363574
149.46 KiB
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Amendment to Patent Application for Authenticating Device-Serial Number 551,172
Document A363562
35.44 KiB
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Applications for Patent Serial Numbers 551,172/478,193
Document A363460
68.34 KiB
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Applications for Patent Serial Numbers 551,172/478,193
Document A363465
42.24 KiB
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Applications for Patent SN 478,193 and SN 478,868
Document A363467
26.27 KiB
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Applications for Patent SN 478,193 and SN 478,868
Document A363475
106.57 KiB
PDF
Applications for Patent-SN 478,193 and SN 478,868
Document A363452
267.38 KiB
PDF
Assignment for Invention "Authenticating Device"
Document A364540
81.47 KiB
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Authenticating Device; Evaluation of Friedman Device
Document A363547
59.79 KiB
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Authenticating Device; Plans to File Patent Application
Document A363543
47.94 KiB
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Authenticating Device; Proposed Application for Patent-Friedman
Document A363544
79.39 KiB
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Authenticating Devices of William F. Friedman
Document A363541
124.67 KiB
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Authenticating Devices of William F. Friedman
Document A363549
48.1 KiB
PDF
Certificate-for Invention of William F. Friedman-Authenticating Device
Document A364194
30.7 KiB
PDF
Comments on Cryptographic Information
Document A363471
38.11 KiB
PDF
Draft Notes on William F. Friedman's Invention "Authenticating Device"
Document A364290
101.53 KiB
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Draft-Description of Authenticating Device-Invention of William Friedman
Document A363561
248.22 KiB
PDF
Extension Granted-Patent Application Ser. No. 551,172-Authenticating Device
Document A363422
31.02 KiB
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Fee Received for Patent Application for Authenticating Device-Serial Number 551,172
Document A363563
25.77 KiB
PDF
File 334.7-Signal Corps Patent Board (1936 Thru December 1940)
Document A363453
24.39 KiB
PDF
Invention of Authenticating Device for Commercial Usage
Document A363555
173.63 KiB
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License Application of William F. Friedman
Document A364316
57.2 KiB
PDF
Patent Application "Authenticating Device" Filed and Assigned Serial Number 551,172
Document A363539
28.74 KiB
PDF
Patent Application of William F. Friedman, Serial No. 551,172
Document A363528
38.7 KiB
PDF
Patent Application-Applications for Patent SN 478,193 and SN 478,868, and SN 551,172
Document A363499
103.93 KiB
PDF
Patent Record
Document A364549
468.42 KiB
PDF
Patents Respecting Inventions of William F. Friedman
Document A363462
38.38 KiB
PDF
Petition Granted-Patent Application Ser. No. 551,172-Authenticating Device
Document A363413
34.64 KiB
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Petition to Revive-Patent Application for "Authenticating Device"-Serial Number 551,172
Document A363576
186.88 KiB
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Petition to Revive-Patent Application Ser. No. 551,172-Authenticating Device
Document A363420
36.95 KiB
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Petition-by William F. Friedman for Improvement of Authenticating Device
Document A364202
99.79 KiB
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Photographic Requisition
Document A363447
36.49 KiB
PDF
Power of Attorney Accepted In Case of Patent Application Ser. No. 551,172-Authenticating Device
Document A363432
35.06 KiB
PDF
Power of Attorney for the Case of Patent Application Ser. No. 551,172-Authenticating Device
Document A363588
33.73 KiB
PDF
Power of Attorney In Case of Patent Application Ser. No. 551,172-Authenticating Device
Document A363425
27 KiB
PDF
Power of Attorney Revoked In Case of Patent Application Ser. No. 551,172-Authenticating Device
Document A363427
33.12 KiB
PDF
Power of Attorney Revoked In Case of Patent Application Ser. No. 551,172-Authenticating Device
Document A363435
28.47 KiB
PDF
Processing of Inventions Originating at Signal Security Agency
Document A363552
65.62 KiB
PDF
Receipt for Patent Application for "Authenticating Device"
Document A363579
31.61 KiB
PDF
Recommendations and Comments Regarding Applications for Patent SN 478,193, SN 478,868 and SN 551,172
Document A363482
68.44 KiB
PDF
Recommendations and Comments Regarding Applications for Patent SN 478,193, SN 478,868 and SN 551,172
Document A363484
82.95 KiB
PDF
Rejected Claims-Patent Application, Serial No. 551,172, for Authenticating Device
Document A367433
136.9 KiB
PDF
Revocation of Power of Attorney and Power of Attorney for the Case of Patent Application 551,172-Authenticating Device
Document A363583
44.48 KiB
PDF
Secrecy Order-Serial Number 551,172
Document A363486
42.99 KiB
PDF
Secrecy Orders
Document A363487
50.15 KiB
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Serial No. 478,193-478,868-551,172 Patent Applications of Wm. F. Friedman
Document A363502
37.92 KiB
PDF
U.S. Patent Number 2,518,458
Document A363565
33.09 KiB
PDF
U.S. Patent Office Communication on Claims of Patent Application "Authenticating Device"-Serial Number 551,172
Document A363567
106.52 KiB
PDF
U.S. Patent Office Communication on Patent Application for "Authenticating Device"-Serial Number 551,172
Document A363573
66.25 KiB
PDF
U.S. Patent Office Communication on Patent Application Ser. No. 551,172-Authenticating Device
Document A363441
47.73 KiB
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U.S. Patent Office Notice of Allowance-Patent Application Ser. No. 551,172-Authenticating Device
Document A363409
47.21 KiB
PDF
U.S. Patent Office-Patent Nr. 2,518,458-Authenticating Device
Document A363558
193.64 KiB
PDF
War Department Communication on Patent Application Ser. No. 551,172-Authenticating Device
Document A363527
54.62 KiB
PDF
William F. Friedman, SN 551,172 on Authenticating Device
Document A363532
47 KiB
PDF
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