Question on Diffie-Hellman patent

Andrew Loewenstern andrew_loewenstern at il.us.swissbank.com
Mon Jan 20 13:36:00 PST 1997


Tim Dierks writes:
> Here's a summary of some relevant crypto patents:
>
> Name             Number     Filed          Issued          Expires
>
> Diffie-Hellman   4,200,770  Sept. 6, 1977  Apr. 29, 1980   Sept. 6, 1997
> Hellman-Merkle   4,218,582  Oct. 6, 1977   Aug. 19, 1980   Oct. 6, 1997
> RSA              4,405,829  Dec. 14, 1977  Sept. 20, 1983  Sept. 20, 2000

So who's planning on throwing a big party on Sept. 6th?  Will Jim Bizos be  
celebrating?  :-)


andrew






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