Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246056 | Multi carbide alloy for bimetallic cylinders | Donald P. Lomax, Gregory N. Patzer | 1993-09-21 |
| 5023145 | Multi carbide alloy for bimetallic cylinders | Donald P. Lomax, Gregory N. Patzer | 1991-06-11 |
| 4596282 | Heat treated high strength bimetallic cylinder | Woodrow D. Maddy | 1986-06-24 |