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Path: utzoo!watmath!watnot!watcgl!onfcanim!dave
From: dave@onfcanim.UUCP (Dave Martindale)
Newsgroups: net.graphics
Subject: Re: exclusive-ORed cursors (Patent)
Message-ID: <14697@onfcanim.UUCP>
Date: Fri, 11-Oct-85 08:11:02 EDT
Article-I.D.: onfcanim.14697
Posted: Fri Oct 11 08:11:02 1985
Date-Received: Sat, 12-Oct-85 19:01:09 EDT
References: <588@stc-b.stc.UUCP> <5988@utzoo.UUCP>
Reply-To: dave@onfcanim.UUCP (Dave Martindale)
Organization: ONF, Montreal
Lines: 4

Does anyone know whether this guy actually first thought of the use of
XOR, patented it (which may have taken a long time), and is only now
licensing it, or whether he patented something which was already known
and nobody else thought of patenting because it seemed so obvious?