Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875696 | Caster direction-locking mechanism for mobile cart | Robert J. Welch, Albert Kolvites | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875696 | Caster direction-locking mechanism for mobile cart | Robert J. Welch, Albert Kolvites | 1989-10-24 |