Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6708642 | Tri-sponson boat hull and method of making boat hulls | — | 2004-03-23 |
| D351260 | Farrowing crate | Thomas E. Hummel | 1994-10-04 |
| 5107795 | Animal feeding device | Stanley E. Curtis | 1992-04-28 |
| 4987858 | Animal feeding device | Stanley E. Curtis | 1991-01-29 |
| 4953504 | Animal feeder | — | 1990-09-04 |