Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454510 | Livestock unloading system | Steven C. Sinn, Voris Feather | 2002-09-24 |
| 6447234 | Livestock loading/unloading system | Steven C. Sinn, John D. Wilham, Richard Bloome | 2002-09-10 |