Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507975 | Retractable caster | Michael Shawn Maupin, Kenneth R. Hill | 2003-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507975 | Retractable caster | Michael Shawn Maupin, Kenneth R. Hill | 2003-01-21 |