Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205483 | Methods for manufacturing coil springs | Michael S. DeFranks, Michael A. DiMarco | 2015-12-08 |
| 8006529 | Methods for manufacturing coil springs | Michael S. DeFranks, Michael A. DiMarco | 2011-08-30 |
| 5023817 | Jam history and diagnostics | Lai C. Au, John W. Schaben, Robert G. Hamer | 1991-06-11 |