Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D780859 | Barbell lock collar | Michael O. Ramsey, Gordon L. Brown, Jr. | 2017-03-07 |
| 5878567 | Closely coupled exhaust catalyst system and engine strategy associated therewith | Andrew A. Adamczyk, Jr., Mario G. Meneghel, Haren S. Gandhi | 1999-03-09 |
| 5410872 | Automotive engine having catalytic exhaust aftertreatment device and secondary air injection control system for minimum catalyst light-off time | Andrew A. Adamczyk, Jr., Clifford Norman Montreuil | 1995-05-02 |