On 4 May 00, at 11:02, R. A. Hettinga wrote:
> -------- Original Message --------
> Subject: Stambler patents
> Date: Thu, 4 May 2000 11:09:53 +0100
> From: Simon Oxley <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
>
> Anyone here know anything about the patents registered by Leon
> Stambler? He has 7 patents going back to 1992 on mechanisms for
> digital signatures, integrity checks etc. Apparently his lawyers are
> writing to companies implementing SSL, SET etc claiming they infringe
> his patents.
Perhaps you might try
http://164.195.100.11/netahtml/search-adv.htm
with "IN/Stambler" as search criteria:
----------------------------- CUT -----------------------------
PAT. NO. Title
1 5,974,148 Method for securing information relevant to a transaction
2 5,936,541 Method for securing information relevant to a transaction
3 5,793,302 Method for securing information relevant to a transaction
4 5,646,998 Secure transaction system and method utilized therein
5 5,555,303 Secure transaction system and method utilized therein
6 5,524,073 Secure transaction system and method utilized therein
7 5,267,314 Secure transaction system and method utilized therein
8 D290,548 Vehicular box for toys or similar article
9 RE31,302 Validation systems for credit card or the like
----------------------------- CUT -----------------------------
Of course, these are U.S. patents. There might be others aborad
outside the U.S.
HTH.
Regards,
Axel H Horns
