Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612767 | Exhaust manifold shield | Keith K. Klintworth | 1986-09-23 |
| 4182122 | Insulated exhaust manifold | Michael K. Stratton, Frank E. Keske, Harold C. Powers, James D. Sparks | 1980-01-08 |