William F. Friedman NSA Archive - List of Pending Patent Applications AS of 1936 and Issued Patents 1926-1946 Showing Patent Number, Date Issued, Inventor(s), Title, and Description, 1946

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Files W.F.F. Archive Patent and Equipment Records List of Pending Patent Applications AS of 1936 and Issued Patents 1926-1946 Showing Patent Number, Date Issued, Inventor(s), Title, and Description, 1946

Index of Friedman Patents W/Titles, 5 March 1946

Document A67852

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