Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826545 | Animal caging system | Joseph M. Erwin, John C. Landon | 1998-10-27 |
| 5247901 | Containment system for promoting improved animal well-being | John C. Landon, Joseph M. Erwin | 1993-09-28 |