Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374802 | Vortex arc generator and method of controlling the length of the arc | Leonid P. Dorfman, Michael J. Scheithauer, Jack E. Vanderpool | 1994-12-20 |
| 5296670 | DC plasma arc generator with erosion control and method of operation | Leonid P. Dorfman, Michael J. Scheithauer, Jack E. Vanderpool | 1994-03-22 |