Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698459 | Coil spring assembly machine | — | 2004-03-02 |
| 6149143 | Spring structure for a mattress innerspring having coaxial coil units | Darrell A. Richmond, Thomas J. Wells, Franklin H. Rawlings | 2000-11-21 |
| 4771494 | Offset continuous row coil spring assembly | Henry Zapletal, Edwin B. Watts, Thomas J. Wells | 1988-09-20 |
| 4445547 | Lacing wire stop mechanism for a coil spring assembly machine | — | 1984-05-01 |