Maruyama; Frederick H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maruyama; Frederick H..The latest application filed is for "ruminal drug delivery device".
- Maruyama; Frederick H. - San Jose CA
| Patent | Date |
|---|---|
| Ruminal drug delivery device Grant 5,997,902 - Maruyama , et al. December 7, 1 | 1999-12-07 |
| Ruminal drug delivery device Grant 5,904,934 - Maruyama , et al. May 18, 1 | 1999-05-18 |
| Ruminal drug delivery device Grant 5,639,477 - Maruyama , et al. June 17, 1 | 1997-06-17 |
| Delivery system comprising means for controlling internal pressure Grant 5,474,785 - Wright , et al. * December 12, 1 | 1995-12-12 |
| Delivery system comprising means for controlling internal pressure Grant 5,229,133 - Wright , et al. July 20, 1 | 1993-07-20 |
| Delivery system comprising means for controlling internal pressure Grant 5,213,809 - Wright , et al. May 25, 1 | 1993-05-25 |
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