Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6269776 | Electronic animal confinement system | Richard L. Grimsley, Timothy A. Coomer, Paul M. Allen | 2001-08-07 |
| 5967094 | Electronic animal confinement system | Richard L. Grimsley, Timothy A. Coomer, Paul M. Allen | 1999-10-19 |
| 5682839 | Electronic animal confinement system | Richard L. Grimsley, Timothy A. Coomer, Paul M. Allen | 1997-11-04 |
| 5460124 | Receiver for an electronic animal confinement system | Richard L. Grimsley, Timothy A. Coomer, Paul M. Allen | 1995-10-24 |