Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048209 | Doll simulating adaptive infant behavior | — | 2000-04-11 |
| 5296665 | Method of restarting a plasma arc torch using a periodic high frequency-high voltage signal | Jeffrey L. Peterson | 1994-03-22 |
| 4203022 | Method and apparatus for positioning a plasma arc cutting torch | Richard W. Couch, Jr. | 1980-05-13 |