Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860226 | Shoe construction | Stephen A. Francis, Michael P. Kirk | 1999-01-19 |
| 5561920 | Shoe construction having an energy return system | Bernie Allen, Michael P. Kirk, Stephen A. Francis, Edward Tavino, Kenton D. Geer +1 more | 1996-10-08 |
| 5402588 | Sole construction | Stephen A. Francis, Michael P. Kirk | 1995-04-04 |
| 5070629 | Sweet spot sole construction | Bernie Allen, Edward Tavino, Kenton D. Geer, Gary J. Troy, Stephen A. Francis | 1991-12-10 |
| D311269 | Insole | Kenton D. Geer | 1990-10-16 |
| D307072 | Insole | Kenton D. Geer, Kathryn Bednarski | 1990-04-10 |
| 4879821 | Insole construction | Kenton D. Geer, Katherine Bednarski | 1989-11-14 |