Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8647751 | Coated valve retainer | Randall Wischhusen | 2014-02-11 |
| 7767267 | Method of producing a coated valve retainer | Randall Wischhusen | 2010-08-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8647751 | Coated valve retainer | Randall Wischhusen | 2014-02-11 |
| 7767267 | Method of producing a coated valve retainer | Randall Wischhusen | 2010-08-03 |