Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872635 | Slip connector for weight actuated height adjustors | Glenn A. Knoblock | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872635 | Slip connector for weight actuated height adjustors | Glenn A. Knoblock | 1989-10-10 |