Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502179 | Apparatus for collecting process generated fume and/or slag | William J. Coughlin, Stephen A. Hoffman | 1985-03-05 |
| 4493970 | Slag and fume collector for air carbon-arc cutting and gouging torches | William J. Coughlin | 1985-01-15 |
| 4437649 | Exothermic cutting electrode | Paul E. Moore | 1984-03-20 |
| 4426566 | Apparatus for collecting process generated fume and/or slag | William J. Coughlin, Stephen A. Hoffman | 1984-01-17 |
| 4423301 | Air-carbon arc cutting and gouging | Raymond A. Sadauskas | 1983-12-27 |
| 4388514 | Method for collecting process generated fume and/or slag | William J. Coughlin, Stephen A. Hoffman | 1983-06-14 |
| 4258244 | Method for reducing operating noise of the air-carbon arc cutting and gouging process | Raymond A. Sadauskas | 1981-03-24 |
| 4201902 | Electrode for air-carbon arc cutting and gouging | Raymond A. Sadauskas | 1980-05-06 |