Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660317 | Exothermic welding jig, molds therefor and method | Richard E. Singer, Curtis R. Stidham, Robert McPherson, Jr., Michael A. Spychola | 1997-08-26 |
| 5582228 | Exothermic welding crucible and method | Curtis R. Stidham, Robert McPherson, Jr. | 1996-12-10 |