Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371503 | Wheelchair automatic anti-rollback assembly | James Ritchie | 2002-04-16 |
| 6339945 | Apparatus for forming tapered spiral tubes | Robert E. Miller, Paul K. Davis | 2002-01-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371503 | Wheelchair automatic anti-rollback assembly | James Ritchie | 2002-04-16 |
| 6339945 | Apparatus for forming tapered spiral tubes | Robert E. Miller, Paul K. Davis | 2002-01-22 |