Grindstaff; E. Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grindstaff; E. Douglas.The latest application filed is for "alarm actuated pet door lock release mechanism".
- Grindstaff; E. Douglas - Knoxville TN
| Patent | Date |
|---|---|
| Alarm actuated pet door lock release mechanism Grant 7,564,362 - Cole , et al. July 21, 2 | 2009-07-21 |
| Pet alert collar Grant 7,420,473 - Eicken , et al. September 2, 2 | 2008-09-02 |
| Portable animal containment device Grant 7,275,502 - Boyd , et al. October 2, 2 | 2007-10-02 |
| Pet collar having a digital pet information storage and retrieval device App 20070221140 - Warren; Jonathan ; et al. | 2007-09-27 |
| Alarm actuated pet door lock release mechanism App 20070222621 - Cole; Brenda ; et al. | 2007-09-27 |
| Pet alert collar App 20070222624 - Eicken; Gail ; et al. | 2007-09-27 |
| Portable animal containment device App 20070125312 - Boyd; Randal D. ; et al. | 2007-06-07 |
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