From: Andrew Loewenstern <andrew_loewenstern@il.us.swissbank.com>
Date: Mon, 20 Jan 1997 13:56:01 -0800 (PST)
To: Tim Dierks <timd@consensus.com>
Subject: Re: Question on Diffie-Hellman patent
Message-ID: <199701202156.NAA19594@toad.com>
MIME-Version: 1.0
Content-Type: text/plain


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