Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5161482 | Automatic milking apparatus | — | 1992-11-10 |
| 4803950 | Automatic milking apparatus | Robert Joseph Grindal, Barry Marshall | 1989-02-14 |
| 4395972 | Multi-valve clawpiece | — | 1983-08-02 |