Cartwright; Richard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cartwright; Richard D..The latest application filed is for "tracking vehicle cage and shell".
- Cartwright; Richard D. - Beaverton OR
- Cartwright; Richard D. - Washington County OR
| Patent | Date |
|---|---|
| Tensioning device Grant D478,026 - Cartwright August 5, 2 | 2003-08-05 |
| Tracking vehicle cage and shell Grant D478,025 - Cartwright August 5, 2 | 2003-08-05 |
| Grouser Grant 6,540,310 - Cartwright April 1, 2 | 2003-04-01 |
| Track vehicle Grant 5,330,019 - Cartwright July 19, 1 | 1994-07-19 |
| Crawler-track attachment for an all-terrain vehicle Grant D298,018 - Cartwright October 11, 1 | 1988-10-11 |
| Exercise machine with improved load varying arrangement Grant 4,650,185 - Cartwright March 17, 1 | 1987-03-17 |
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