Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503316 | Anti-coking bushing assembly for an exhaust recirculation control valve | Mahoro M. Fujita, Joseph G. Spakowski | 2009-03-17 |
| 7143995 | Motorized cam actuator | Robert B. Perry, Joseph G. Spakowski | 2006-12-05 |
| 6874754 | Apparatus for preventing valve stem coking | Craig Smith, Christopher Marlowe, Mark Allen Reeves, Jerry L. Kelly, Mahoro M. Fujita +2 more | 2005-04-05 |
| 6533242 | Shaft having variable compliance to a bushing | Craig Smith | 2003-03-18 |
| D319645 | Carburetor inspection and repair stand | — | 1991-09-03 |
| D315162 | Carburetor inspection and repair stand | — | 1991-03-05 |
| D305222 | Combined tire valve stem and cap | — | 1989-12-26 |