Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147987 | Muffler assembly | David W. Strickland, Frank L. Zagar, Richard C. Wilcox | 1992-09-15 |
| 4779415 | Manifold tuning structure | Frank L. Zagar, George R. Snyder | 1988-10-25 |