Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647691 | Method and apparatus for transferring mud and silt | — | 1997-07-15 |
| 5645117 | Tompkins turner | Jay L. Sanger, Mark P. Tompkins | 1997-07-08 |
| 5598878 | Bench top joint jig | Jay L. Sanger, Mark K. McCool | 1997-02-04 |