U.S. patent number D302,837 [Application Number 07/180,265] was granted by the patent office on 1989-08-15 for exercise treadmill. This patent grant is currently assigned to Tunturi, Inc.. Invention is credited to Steven T. Sherrard.
United States Patent | D302,837 |
Sherrard | August 15, 1989 |
Inventors: | Sherrard; Steven T. (Bothell, WA) |
---|---|
Assignee: | Tunturi, Inc. (Bellevue,
WA) |
Appl. No.: | 07/180,265 |
Filed: | April 11, 1988 |
Current U.S. Class: | D21/669 |
Field of Search: | ;D21/191-198 ;272/69 |
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Marty Liquori, Home Gym Workout, copyright 1986, pp. 140-165 (Bantam Books).. |
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