U.S. patent number D406,156 [Application Number D/078,729] was granted by the patent office on 1999-02-23 for bifocal magnifier. Invention is credited to Michael C. Raymond.
United States Patent | D406,156 |
Raymond | February 23, 1999 |
Inventors: | Raymond; Michael C. (Port Townsend, WA) |
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Appl. No.: | D/078,729 |
Filed: | October 11, 1997 |
Current U.S. Class: | D16/135 |
Current International Class: | 1606 |
Field of Search: | ;D16/135,101,130 ;D3/207 ;D11/79 ;D19/96 ;D20/22,27 ;70/459,456R ;359/742,808,810,811 ;40/661.06 |
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3753610 | August 1973 | Samuel |
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