Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955620 | Drive system for an infinitely variable drive transmission | — | 2005-10-18 |
| 6575856 | Variable drive transmission | — | 2003-06-10 |
| 4240161 | Arcuate disc heart valve | Miles C. Huffstutler, Jr., Marshall S. Kriesel | 1980-12-23 |