Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346870 | Thermal barrier for poppet valve | Richard Chute, Jay M. Larson, Roger P. Worthen | 1982-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346870 | Thermal barrier for poppet valve | Richard Chute, Jay M. Larson, Roger P. Worthen | 1982-08-31 |