Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622604 | Coke cooling apparatus | Ralph Gerstenkorn | 1997-04-22 |
| 5381815 | Method for isolating a relief valve | John W. Wegner | 1995-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622604 | Coke cooling apparatus | Ralph Gerstenkorn | 1997-04-22 |
| 5381815 | Method for isolating a relief valve | John W. Wegner | 1995-01-17 |