Houghton; Paul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Houghton; Paul.The latest application filed is for "vehicle wheel".
- Houghton; Paul - Long Beach CA
- Houghton; Paul - Woodside CA
Trademarks
| Patent | Date |
|---|---|
| Vehicle wheel Grant D784,234 - Houghton , et al. April 18, 2 | 2017-04-18 |
| Modular cage structure Grant 5,036,795 - Houghton August 6, 1 | 1991-08-06 |
| Variable maze device Grant 4,841,911 - Houghton * June 27, 1 | 1989-06-27 |
| Primate education device Grant 4,727,825 - Houghton March 1, 1 | 1988-03-01 |
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