Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600373 | Concrete pipe machine | — | 1986-07-15 |
| 4452175 | Post assembly for a parlor stall | Duncan M. Thompson | 1984-06-05 |
| 4414385 | Concrete comprising sulfur, cyclopentadiene oligomers, aggregate and glass fibers | — | 1983-11-08 |
| D270607 | Milker | — | 1983-09-20 |
| 4344385 | Milker | Duncan M. Thompson | 1982-08-17 |
| 4303038 | Teat cup with air inlet | Duncan M. Thompson, Lawrence J. Coombs | 1981-12-01 |