Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308636 | In-vehicle switch mechanism | David C. Collins, Albert E. Lewis | 2001-10-30 |
| 6298791 | Lateral suspension assembly for a guided vehicle system | David C. Collins, Albert E. Lewis | 2001-10-09 |