Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4669988 | Marine engine cooling system valve assembly | Paul W. Breckenfeld, George Broughton, James E. Macier, H. Norman Petersen | 1987-06-02 |
| 4620607 | Air silencer for an internal combustion engine | Paul W. Breckenfeld, George Broughton, James E. Macier | 1986-11-04 |