Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946052 | Concrete form alignment tool and method of use | — | 2011-05-24 |
| 5983837 | Bird counter | Douglas V. Briggs | 1999-11-16 |
| 5596950 | Poultry transport compartment with inwardly opening doors | Douglas V. Briggs | 1997-01-28 |
| 5325820 | Poultry harvester | Douglas V. Briggs | 1994-07-05 |