U.S. patent number D331,777 [Application Number 07/623,040] was granted by the patent office on 1992-12-15 for combined writing instrument and random number selector. Invention is credited to Leonhard Augenstein, Walter Sedlmeier.
United States Patent | D331,777 |
Sedlmeier , et al. | December 15, 1992 |
Inventors: | Sedlmeier; Walter (8000 Munchen 90, DE), Augenstein; Leonhard (8000 Munchen 90, DE) |
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Appl. No.: | 07/623,040 |
Filed: | December 6, 1990 |
Current U.S. Class: | D19/131; D19/916; D19/922; D21/371 |
Field of Search: | ;D21/37 ;D6/472 ;D19/35,36,41-51,54-58,81-85 ;273/144B,144A,144R,138R ;401/52,195 |
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