Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920731 | Insulated structure | Michael A. Skettle, Joseph J. Zupancic, Robert A. Konnerth | 2005-07-26 |
| D412298 | Torpedo car cover | James D. Rogers | 1999-07-27 |
| 5261555 | Insulated structure | James D. Rogers | 1993-11-16 |
| 5078822 | Method for making refractory lined duct and duct formed thereby | Michael F. Hodges, Victor Davis | 1992-01-07 |