Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8689380 | Multi-stranded coil spring | Richard F. Gladney, Michael S. DeFranks | 2014-04-08 |
| 8099811 | Multi-stranded coil spring | Richard F. Gladney, Michael S. DeFranks | 2012-01-24 |