Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879971 | Controlled lift gate system for milking parlors | August Vandenberg, Ben W. Vandenberg, Andrew W. Vanderberg | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879971 | Controlled lift gate system for milking parlors | August Vandenberg, Ben W. Vandenberg, Andrew W. Vanderberg | 1989-11-14 |