Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275284 | Rail gear assembly | Britt Calloway, Barry Isringhausen | 2025-04-15 |
| 4262921 | Tandem implement hitch | — | 1981-04-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275284 | Rail gear assembly | Britt Calloway, Barry Isringhausen | 2025-04-15 |
| 4262921 | Tandem implement hitch | — | 1981-04-21 |