Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165699 | Liquid full pressurized vessel seal | Charles D. Shrontz | 1992-11-24 |
| 4923021 | Combination bit for coking oven | Veatchel A. Courmier, Rahn Drost | 1990-05-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165699 | Liquid full pressurized vessel seal | Charles D. Shrontz | 1992-11-24 |
| 4923021 | Combination bit for coking oven | Veatchel A. Courmier, Rahn Drost | 1990-05-08 |