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Path: utzoo!henry
From: henry@utzoo.UUCP (Henry Spencer)
Newsgroups: net.graphics
Subject: Re: exclusive-ORed cursors
Message-ID: <6026@utzoo.UUCP>
Date: Fri, 4-Oct-85 17:26:22 EDT
Article-I.D.: utzoo.6026
Posted: Fri Oct  4 17:26:22 1985
Date-Received: Fri, 4-Oct-85 17:26:22 EDT
References: <588@stc-b.stc.UUCP> <5988@utzoo.UUCP> <914@turtlevax.UUCP>, <745@terak.UUCP>, <6018@utzoo.UUCP>
Organization: U of Toronto Zoology
Lines: 8

> The use of exclusive-OR to draw and erase cursors, rubber band lines,
> etc. is covered by patent number 4,197,590...

(Forgot this in my previous response) It would also be nice to know the
date of the patent.
-- 
				Henry Spencer @ U of Toronto Zoology
				{allegra,ihnp4,linus,decvax}!utzoo!henry


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