Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642690 | Animal containment system | Frank A. Calabrese, Kenneth B. Shockey, Franklin O. Wisman | 1997-07-01 |
| 5608381 | Animal containment system | Frank A. Calabrese, Kenneth B. Shockey | 1997-03-04 |
| 5349926 | Animal containment system | Frank A. Calabrese, Kenneth B. Shockey | 1994-09-27 |