Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618861 | Passive activity monitor for livestock | John W. Gettens, Nick A. Sigrimis | 1986-10-21 |
| 4510495 | Remote passive identification system | Nick A. Sigrimis | 1985-04-09 |
| 4224949 | Method and electrical resistance probe for detection of estrus in bovine | Rick Marshall | 1980-09-30 |