Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782006 | Doweling jig | Dick Zeigler, James A. Brown | 1998-07-21 |
| 5195758 | Three-piece oil control ring assembly | — | 1993-03-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782006 | Doweling jig | Dick Zeigler, James A. Brown | 1998-07-21 |
| 5195758 | Three-piece oil control ring assembly | — | 1993-03-23 |