U.S. patent number D317,446 [Application Number 07/273,224] was granted by the patent office on 1991-06-11 for electronic data display panel for use with an overhead projector. This patent grant is currently assigned to In Focus Systems, Inc.. Invention is credited to Christopher A. Alviar, Paul E. Gulick, Steven R. Hix, Sohrab Vossoughi.
United States Patent | D317,446 |
Vossoughi , et al. | June 11, 1991 |
Inventors: | Vossoughi; Sohrab (Portland, OR), Alviar; Christopher A. (Portland, OR), Hix; Steven R. (Lake Oswego, OR), Gulick; Paul E. (Tualatin, OR) |
---|---|
Assignee: | In Focus Systems, Inc.
(Tualatin, OR) |
Appl. No.: | 07/273,224 |
Filed: | November 17, 1988 |
Current U.S. Class: | D14/374; D16/235; D19/113 |
Field of Search: | ;D14/100,106,107,113,114 ;D19/52,86,91,35,36 ;178/18,19 ;248/444.1,445-447 ;250/239,566,568 ;340/707,709,799 ;364/708,709 ;358/248,249,254 ;D16/232,233,235,236 ;434/365 ;353/31,42,122,DIG.3,DIG.5 |
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4846694 | July 1989 | Erhardt |
4944578 | July 1990 | Denison |
4946274 | August 1990 | Honda |
4973800 | November 1990 | Sindeband et al. |
Bican, Frank, "Presenting . . . Real-Time Overhead Displays for the Big Screen", PC Magazine, Mar. 15, 1988, pp. 161-180.. |
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