Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463244 | Air core type current pulse and power factor monitoring and control system for a resistance welding apparatus | William H. Schmeling | 1984-07-31 |
| 4459456 | Feedback welder control system | Michael Aslin | 1984-07-10 |
| 4459457 | Feedback welder control system | — | 1984-07-10 |
| 4399511 | Power factor monitoring and control system for resistance welding | — | 1983-08-16 |
| 4289951 | Power factor monitoring and control system for resistance welding with line disturbance immunity | — | 1981-09-15 |
| 4289948 | Automatic voltage compensation for digital welder control system | Marvin A. Guettel, Michael Aslin | 1981-09-15 |
| 4282417 | Method for controlling magnetizing current in multipulse resistant welding | — | 1981-08-04 |
| 4254466 | Power factor monitoring and control system for resistance welding | — | 1981-03-03 |