Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349751 | Control circuitry using a pull-down transistor for high voltage solid-state switches | Adrian R. Hartman | 1982-09-14 |
| 4345163 | Control circuitry for high voltage solid-state switches | James A. Davis, William F. MacPherson, Harry Edward Mussman | 1982-08-17 |
| 4323942 | Solid-state protector circuitry using gated diode switch | Adrian R. Hartman, Robert S. Scott | 1982-04-06 |
| 4309715 | Integral turn-on high voltage switch | William F. MacPherson, Robert S. Scott | 1982-01-05 |
| 4271445 | Solid-state protector circuitry using gated diode switch | Adrian R. Hartman, Robert S. Scott | 1981-06-02 |
| 4250409 | Control circuitry using a pull-down transistor for high voltage field terminated diode solid-state switches | James A. Davis, William F. MacPherson | 1981-02-10 |
| 4242697 | Dielectrically isolated high voltage semiconductor devices | Joseph Berthold, Adrian R. Hartman | 1980-12-30 |
| 4232328 | Dielectrically-isolated integrated circuit complementary transistors for high voltage use | Adrian R. Hartman, Terence J. Riley | 1980-11-04 |