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Files W.F.F. Archive Patent and Equipment Records Patent File, SIGABA SISDE-8, Modified M-134-T2, Serial No. 107,244, Means for Controlling Displacement of Cipher Wheels on Hebern Type Cryptograph, 1935-1955
Action In Connection with Endorsement Re M-134-T2
Document A521689
26.65 KiB
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Amendment to Patent 107,244
Document A521649
91.27 KiB
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Amendment to Patent Application 107,244
Document A521643
102.75 KiB
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Amendment to Patent Application No. 107,244
Document A521657
140.47 KiB
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Appeal for Patent Application 107,244
Document A521576
31.67 KiB
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Appeal Regarding Patent Application 107,244
Document A521556
175.01 KiB
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Appointment of Associate Attorney
Document A521639
48.64 KiB
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Authorization Given for Patent Application Inspection
Document A521636
28.59 KiB
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Change to Patent Application 107,244
Document A521541
34.06 KiB
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Classification Question Regarding Patent Application S.N. 107,244
Document A521661
22.72 KiB
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Cryptographs, Ser. No. 107,244, Filed Oct 3, 1936 (Improvement In Converter M-134-T2)
Document A521669
77.73 KiB
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Description of Cryptographic Invention
Document A521681
749.85 KiB
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Folder Cover-Modified M-134-T-2
Document A521537
303.72 KiB
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Invention of Cipher Wheel Control Mechanism for A Cipher Machine of the Type of Converter M-134-T2
Document A521741
76.15 KiB
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Invention of Cipher Wheel Control Mechanism for A Cipher Machine of the Type of Converter M-134-T2
Document A521758
399.53 KiB
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Minutes of Signal Board Patent Board Meeting No. 2
Document A521723
191.19 KiB
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Minutes of Signal Corps Patent Board Meeting No. 2
Document A521682
180.24 KiB
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Modification In Converter Type M-134-T2 Improvement In Prior Patent Application Serial No. 682,096 Invention of Mr. Wm. F. Friedman
Document A521685
71.51 KiB
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Modification In Converter Type M-134-T2 Improvement In Prior Patent Application Serial No. 682,096 Invention of Mr. Wm. F. Friedman
Document A521715
47.12 KiB
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Modification In Converter Type M-134-T2 Improvement In Prior Patent Application Serial No. 682,096 Invention of Mr. Wm. F. Friedman
Document A521721
79.55 KiB
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New Patent Application, Improvement In Cryptographs
Document A521678
42.43 KiB
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Patent Application No. 107,244 Placed Under Provisions of Title 35 U.S.C (1952) Section 267
Document A521538
73.78 KiB
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Patent Application of W.F. Friedman
Document A521652
79.06 KiB
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Patent Application Serial No. 107,244
Document A521663
277.54 KiB
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Patent Application, Serial No. 107,244-Cryptographs Improvement on Patent Application, Ser. No. 682,096
Document A521673
41.92 KiB
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Patent Board Recommendations for Modifications In Converter M-134-T2
Document A521711
103.42 KiB
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Patent Examiner Comments on Patent Application 107,244
Document A521677
42.72 KiB
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Patent Examiner Responds to Amendment Filed Nov. 28, 1940
Document A521654
50.64 KiB
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Patent Examiner Responds to Amendment of April 30, 1947 Regarding Patent 107,244
Document A521579
43.2 KiB
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Patent Office Acknowledges Receipt of Letter to the Secretary of War
Document A521632
44.41 KiB
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Power of Attorney
Document A521640
77.23 KiB
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Proposed Modification of Converter Type M-134t2
Document A521705
84.71 KiB
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Response to Appeal from Patent Examiner on Patent 107,244
Document A521552
138.92 KiB
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Response to Patent Office Action of 29 December 1951 for Patent Application 107,244
Document A521540
166.09 KiB
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Response to Patent Office Action of March 6, 1937 In Regards to Patent 107,244
Document A521672
159.86 KiB
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Secrecy Order for Patent Application 107,244
Document A521638
187.8 KiB
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Specifications and Drawings of Proposed Modification of Converter Type M-134t2
Document A521740
1.56 MiB
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U.S. Patent Office Action
Document A521646
124.76 KiB
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U.S. Patent Office Action
Document A521650
70.59 KiB
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