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)
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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