U.S. patent number D342,549 [Application Number 07/767,192] was granted by the patent office on 1993-12-21 for sign holder. This patent grant is currently assigned to Rubbermaid Office Products Group Inc.. Invention is credited to James Hofman.
United States Patent | D342,549 |
Hofman | December 21, 1993 |
Inventors: | Hofman; James (Lake Bluff, IL) |
---|---|
Assignee: | Rubbermaid Office Products Group
Inc. (Inglewood, CA) |
Appl. No.: | 07/767,192 |
Filed: | September 30, 1991 |
Current U.S. Class: | D20/41 |
Field of Search: | ;D20/10,39,40,41,42,43 ;D6/396,332 ;40/584,591,592,593,606,607,608,611,612,618,624,642 |
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4217713 | August 1980 | Greenberger |
4329800 | May 1982 | Shuman |
4726132 | February 1988 | Ernest |
4729183 | March 1988 | Tarter et al. |
4776116 | October 1988 | Shuman |
4777750 | October 1988 | Garfinkle |
4793083 | December 1988 | McDonald |
4839974 | June 1989 | Walter |
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