Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222159 | Warmer for baseball bats | — | 2001-04-24 |
| 5723849 | Reinforced susceptor for induction or resistance welding of thermoplastic composites | Marc R. Matsen, Ronald W. Brown, Karl A. Hansen, John J. deJong, executor | 1998-03-03 |