1997-01-20 - Re: Question on Diffie-Hellman patent

Header Data

From: Andrew Loewenstern <andrew_loewenstern@il.us.swissbank.com>
To: Tim Dierks <timd@consensus.com>
Message Hash: cebc0f08df133de4e2beff4dbcb64512ed3f135dc4eee74d37a0de238841c536
Message ID: <9701202135.AA00489@ch1d157nwk>
Reply To: <199701201913.LAA15649@toad.com>
UTC Datetime: 1997-01-20 21:36:00 UTC
Raw Date: Mon, 20 Jan 1997 13:36:00 -0800 (PST)

Raw message

From: Andrew Loewenstern <andrew_loewenstern@il.us.swissbank.com>
Date: Mon, 20 Jan 1997 13:36:00 -0800 (PST)
To: Tim Dierks <timd@consensus.com>
Subject: Re: Question on Diffie-Hellman patent
In-Reply-To: <199701201913.LAA15649@toad.com>
Message-ID: <9701202135.AA00489@ch1d157nwk>
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





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