Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802051 | Arc-free electromagnetic contactor | — | 1989-01-31 |
| 4792735 | Apparatus for adjusting torque and speed of a dentist handpiece D.C. motor | — | 1988-12-20 |
| 4709294 | Device for contact protection and arc prevention of a switch | — | 1987-11-24 |
| 4649330 | Controlling device of a drill for regular and reversed rotation in non-contact type | — | 1987-03-10 |