Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600411 | Surface friction testing apparatus | — | 2009-10-13 |
| 4627662 | Tilting mechanism for a chair | David E. Carter, Brian Alan Willatts | 1986-12-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600411 | Surface friction testing apparatus | — | 2009-10-13 |
| 4627662 | Tilting mechanism for a chair | David E. Carter, Brian Alan Willatts | 1986-12-09 |