CDR: New OLD cryptograph patent for NSA

[Bo Elkjaer]

Hi
Yesterday oct. 10 NSA was granted another patent for a cryptographic
device invented by William Friedman. The application for the patent was
filed oct. 23 1936 -- 64 years ago.

The patent can be found here:
http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=/netahtml/search-bool.html&r=1&f=G&l=50&co1=AND&d=ft00&s1='national+security+agency'&OS="national+security+agency"&RS="national+security+agency"

Interesting read.
Yours
Bo Elkjaer, Denmark

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