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Files W.F.F. Archive Patent and Equipment Records Randomizer Patent Papers SISDE-23, Serial No. 36,868, US Patent No. 2,166,137, Electric Switching Mechanism, Friedman and Rowlett (18 July 1939), 1926-1939
Approval to Enter Into Negotiations for Possible Sale of Invention; SISDE 23
Document A67824
26.56 KiB
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Comments Regarding A Friction Drive; SISDE 23
Document A67807
33.77 KiB
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Commerce Department Notice of Incomplete Application Re Serial No. 36,868, 23 November 1935; SISDE 23
Document A67806
57.73 KiB
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Department of Commerce Response to Amendment of Patent No. 36,868, 7 June 1937; SISDE 23
Document A67804
82.25 KiB
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Department of Commerce Response to Patent Amendments Filed May 22 and June 11, 1936 Re Patent Application No. 36,868; SISDE 23
Document A67805
91.08 KiB
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Description and Objective of Invention, Patent Application No. 36,868; SISDE 23
Document A67820
427.55 KiB
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Description of Friedman Invention, an Electrical Switching Mechanism; SISDE 23
Document A67811
300.59 KiB
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Examiners Rejection of Certain Claims Re Patent Application No. 36,868; SISDE 23
Document A67799
259.21 KiB
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Letter from Friedman to IBM Re Discussions on A Randomizer Attachment; SISDE 23
Document A67802
50.56 KiB
PDF
New Patent Application, System for Randomizing the Relations of Electrical Circuits, 6 August 1935; SISDE 23
Document A67821
39.97 KiB
PDF
Notice of Claim Rejection Re Patent Application No. 36,868; SISDE 23
Document A67793
89.83 KiB
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Notification of Approval for Patent Application Serial No. 36,868, 19 April 1939; SISDE 23
Document A67791
89.74 KiB
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Notification of Invention-Attachment to Electrical Counting Sorter; SISDE 23
Document A67826
50.95 KiB
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Patent Application, Ser. No. 36,868 Electrical Switching Mechanism, 10 November 1937; SISDE 23
Document A67815
30.85 KiB
PDF
Patent Application, Ser. No. 36,868, Electrical Switching Mechanism, 12 April 1939; SISDE 23
Document A67792
49.58 KiB
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Patent Application, Ser. No. 36,868, Electrical Switching Mechanism, 12 May 1938; SISDE 23
Document A67796
49.48 KiB
PDF
Patent Application, Ser. No. 36,868, Electrical Switching Mechanism, 29 September 1936; SISDE 23
Document A67817
53.76 KiB
PDF
Randomizer Patent Papers; Electrical Switching Mechanism; Patent Application No. 36,868; SISDE 23
Document A67788
226.36 KiB
PDF
Record of Military Invention, A System for Randomizing the Relations of Electrical Circuits, 19 June 1935; SISDE 23
Document A67808
123.7 KiB
PDF
Republic of France Documentation of Invention No. 522,443, 26 July 1920; SISDE 23
Document A67833
188.51 KiB
PDF
Request for Information Regarding Friedman Work on an Invention; SISDE 23
Document A67809
43.95 KiB
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Response to Amendment of December 1, 1937 Re Patent Application No. 36,868, 18 April 1938; SISDE 23
Document A67798
252.13 KiB
PDF
Response to Patent Office Action Dated August 21, 1936; SISDE 23
Document A67816
171.6 KiB
PDF
Response to Patent Office Action Dated November 20, 1935; SISDE 23
Document A67818
234.33 KiB
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Response to US Patent Office Action Dated April 18 1938 Re Patent Application No. 36,868; SISDE 23
Document A67794
396.76 KiB
PDF
Response to US Patent Office Action Dated June 9, 1937, 1 December 1937; SISDE 23
Document A67803
122.59 KiB
PDF
Supplement to Amendment Dated May 22 1936 Re Patent Application Serial No. 36,868, 11 June 1936; SISDE 23
Document A67810
91.06 KiB
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US Patent Application, Electrical Switching Mechanism, Serial No. 36,868, 21 April 1939; SISDE 23
Document A67789
36.01 KiB
PDF
US Patent Office Documentation for Invention No. 1,944,692, 6 January 1928; SISDE 23
Document A67829
521.46 KiB
PDF
US Patent Office Documentation for Patent Serial No. 1,863,658, A Switch Mechanism for Signal and Other Electrical Circuits, 23 October 1930; SISDE 23
Document A67797
454.69 KiB
PDF
US Patent Office Documentation of French National Invention; Patent No. 1,184,264, 23 May 1916; SISDE 23
Document A67842
233.19 KiB
PDF
US Patent Office Documentation of Patent 2,166,137, Electrical Switching Mechanism, 19 August 1935; SISDE 23
Document A67790
37.31 KiB
PDF
US Patent Office Documentation of Patent No. 1,600,753, A Method of Controlling Elevators, 12 April 1924; SISDE 23
Document A67800
1.25 MiB
PDF
US Patent Office Documentation of Patent No. 1,643,852, an Electric Time-Element Device, 12 April 1924; SISDE 23
Document A67795
514.61 KiB
PDF
US Patent Office Documentation of Patent No. 1,699,122, A Control System, 21 January 1927; SISDE 23
Document A67801
402.36 KiB
PDF
US Patent Office Documentation of Patent No. 1,732,488; A Light Flashing System; SISDE 23
Document A67845
331.21 KiB
PDF
US Patent Office Documentation of Patent No. 1,902,013, 16 April 1925; SISDE 23
Document A67831
476.66 KiB
PDF
US Patent Office Documentation of Patent No. 1,930,262; A Sorting Machine; SISDE 23
Document A67832
325.1 KiB
PDF
US Patent Office Documentation of Patent No. 2,005,890; A Motor Control Unit, 13 November 1929; SISDE 23
Document A67827
917.52 KiB
PDF
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