Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9251628 | Method and apparatus for an OnBoard diagnostic interface tool | Henry Thomas Ubik, Darren Peter Shelcusky, Vijay G. Sankaran | 2016-02-02 |
| 4502179 | Apparatus for collecting process generated fume and/or slag | Perry J. Rieppel, Stephen A. Hoffman | 1985-03-05 |
| 4493970 | Slag and fume collector for air carbon-arc cutting and gouging torches | Perry J. Rieppel | 1985-01-15 |
| D273097 | All position tractor for mounting a tool such as a welding, cutting or gouging torch | David E. Johnson, Kenneth E. McCall | 1984-03-20 |
| 4426566 | Apparatus for collecting process generated fume and/or slag | Perry J. Rieppel, Stephen A. Hoffman | 1984-01-17 |
| 4422384 | All position tractor | David E. Johnson, Kenneth E. McCall | 1983-12-27 |
| D271290 | Heavy duty machine carriage | David E. Johnson, Kenneth E. McCall | 1983-11-08 |
| 4388514 | Method for collecting process generated fume and/or slag | Stephen A. Hoffman, Perry J. Rieppel | 1983-06-14 |
| 4330109 | Heavy duty carriage assembly | David E. Johnson, Kenneth E. McCall | 1982-05-18 |
| 4260867 | Electrode drive and nozzle system for automatic air-carbon arc cutting and gouging torch | Stephen A. Hoffman, Jerry R. Hummel | 1981-04-07 |