Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84 / QGSI 2.0; site qubix.UUCP Path: utzoo!linus!decvax!decwrl!sun!qubix!jeff From: jeff@qubix.UUCP (Jeff Bulf) Newsgroups: net.graphics Subject: Re: exclusive-ORed cursors Message-ID: <1643@qubix.UUCP> Date: Mon, 7-Oct-85 13:46:37 EDT Article-I.D.: qubix.1643 Posted: Mon Oct 7 13:46:37 1985 Date-Received: Wed, 9-Oct-85 06:56:27 EDT References: <588@stc-b.stc.UUCP> <5988@utzoo.UUCP> <914@turtlevax.UUCP>, <745@terak.UUCP>, <6018@utzoo.UUCP> <6026@utzoo.UUCP> Organization: Qubix Graphic Systems, San Jose, CA Lines: 12 > > 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. > -- It would also be useful to know the name/contact information of the company holding the patent. (Strangest thing I've heard since Roy Acuff's lawyer tried to claim his client "owned" _The Wabash Cannonball_. WAAAUGH!) -- Dr Memory ...{amd,ihnp4}!qubix!jeff