Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936254 | Automatic milking apparatus | — | 1990-06-26 |
| 4840141 | Automatic milking apparatus | — | 1989-06-20 |
| 4803950 | Automatic milking apparatus | Tony K. Griffin, Robert Joseph Grindal | 1989-02-14 |
| 4793285 | Automatic milking apparatus and methods | — | 1988-12-27 |
| 4493619 | Pressure systems for spray liquids | Paul A. Knight | 1985-01-15 |
| 4480657 | Vacuum line control valves | Paul A. Knight | 1984-11-06 |
| 4376053 | Method and system employing a filter-detector for detecting mastitis in cows | George P. Bullock | 1983-03-08 |