Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346493 | Top-entry rod retainer | Terrence M. Stahurski, Marc A. Asher, William L. Carson, Charles F. Heinig, Robert Gaines +1 more | 1994-09-13 |
| 5257993 | Top-entry rod retainer | Marc A. Asher, Robert Gaines, Frank S. Janson, William L. Carson, Terrence M. Stahurski +1 more | 1993-11-02 |