Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598115 | Method for diagnosing a vacuum actuator | Douglas Raymond Martin | 2020-03-24 |
| 10294833 | Method and system for variable cam timing device | Paul A. Pietrzyk, John Eric Rollinger | 2019-05-21 |
| 9988949 | Method and system for variable cam timing device | Paul A. Pietrzyk, John Eric Rollinger, Jamie Charles Hanshaw, Ed Badillo | 2018-06-05 |
| 9797329 | Method for diagnosing a vacuum actuator | Douglas Raymond Martin | 2017-10-24 |
| 9528399 | Method and system for variable cam timing device | Paul A. Pietrzyk, John Eric Rollinger | 2016-12-27 |