Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292303 | Manifold gasket having pushrod guide | Brian Roberts, Gerald A. Rosenquist | 2012-10-23 |
| 7302925 | Manifold gasket having pushrod guide | Brian Roberts, Gerald A. Rosenquist | 2007-12-04 |