U.S. patent number D329,062 [Application Number 07/526,311] was granted by the patent office on 1992-09-01 for housing for an electronic learning aid or game. This patent grant is currently assigned to World Book, Inc.. Invention is credited to Free Chin.
United States Patent | D329,062 |
Chin | September 1, 1992 |
Inventors: | Chin; Free (Chicago, IL) |
---|---|
Assignee: | World Book, Inc. (Elk Grove
Village, IL) |
Appl. No.: | 07/526,311 |
Filed: | May 18, 1990 |
Current U.S. Class: | D21/331; D19/60 |
Field of Search: | ;D21/13,1,48 ;273/85G,313,310,DIG.28,434,433,148B |
D249822 | October 1978 | Ohie et al. |
D256028 | July 1980 | Lawrence et al. |
D260783 | September 1981 | Shimasaki |
D261779 | November 1981 | Lovejoy |
D261907 | November 1981 | Ho |
D265571 | July 1982 | Nagel |
D270459 | September 1983 | Pino |
D291582 | August 1987 | Kretsner |
D317176 | May 1991 | Cheung |
D318884 | August 1991 | Kojo |
4162792 | July 1979 | Chang et al. |
4341383 | July 1982 | Reichert |
Playthings, Feb. 1979, p. 275, Atari Touch Me. . HongKong Enterprise, Feb. 1984, p. 92 #TC-40.. |
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