Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639243 | Training apparatus, method for training an athlete, and method for producing a training device | Lyle Yates, Thomas R. House | 1997-06-17 |
| 4771209 | Spark igniter having precious metal ground electrode inserts | — | 1988-09-13 |