U.S. patent number D343,460 [Application Number 07/867,905] was granted by the patent office on 1994-01-18 for paving stone. Invention is credited to Roberta A. Hair.
United States Patent | D343,460 |
Hair | January 18, 1994 |
Inventors: | Hair; Roberta A. (Cincinnati, OH) |
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Appl. No.: | 07/867,905 |
Filed: | April 13, 1992 |
Current U.S. Class: | D25/113 |
Field of Search: | ;404/29-30,19,34 ;D25/113-117 |
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Brochure, "Uni Eco-Stone", .COPYRGT.1991 Uni-Group, U.S.A., pp. 1 and 2. . Uni-Group U.S.A. Brochure, "Uni Eco-Stone", 1991.. |
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