Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633492 | Plasma pinch X-ray method | Arnold A. Weiss, Herman P. Schutten, Louis Cartz, Gordon B. Spellman, Peter H. Wackman, deceased | 1986-12-30 |
| 4618971 | X-ray lithography system | Arnold A. Weiss, Herman P. Schutten, Louis Cartz, Gordon B. Spellman, Peter H. Wackman, deceased | 1986-10-21 |
| 4571606 | High density, high voltage power FET | James A. Benjamin, Robert W. Lade, Herman P. Schutten | 1986-02-18 |
| 4536884 | Plasma pinch X-ray apparatus | Arnold A. Weiss, Herman P. Schutten, Louis Cartz, Gordon B. Spellman, Peter H. Wackman, deceased | 1985-08-20 |
| 4529998 | Amplified gate thyristor with non-latching amplified control transistors across base layers | Robert W. Lade, Herman P. Schutten, Gordon B. Spellman | 1985-07-16 |
| 4516144 | Columnated and trimmed magnetically sensitive semiconductor | Herman P. Schutten, Gordon B. Spellman, Jan Sedivy, Maurice W. Jensen | 1985-05-07 |
| 4504964 | Laser beam plasma pinch X-ray system | Louis Cartz, Arnold A. Weiss, Herman P. Schutten, Gordon B. Spellman, Peter H. Wackman, deceased | 1985-03-12 |
| 4458287 | Thermally protected semiconductor with accurate phase control | Robert W. Lade, Herman P. Schutten, Gordon B. Spellman | 1984-07-03 |
| 4398205 | Gate turn-off device with high turn-off gain | Gordon B. Spellman, Herman P. Schutten | 1983-08-09 |
| 4355322 | Integrated gate turn-off device having a vertical power transistor forming a regenerative loop with a lateral transistor | Gordon B. Spellman, Herman P. Schutten | 1982-10-19 |
| 4323793 | Thyristor having widened region of temperature sensitivity with respect to breakover voltage | Herman P. Schutten, Gordon B. Spellman, Robert W. Lade, Michael Joseph Schutten | 1982-04-06 |
| 4295058 | Radiant energy activated semiconductor switch | Robert W. Lade, Gordon B. Spellman, Herman P. Schutten, James R. Jaeschke | 1981-10-13 |
| 4268846 | Integrated gate turn-off device with lateral regenerative portion and vertical non-regenerative power portion | Gordon B. Spellman, Herman P. Schutten | 1981-05-19 |
| RE30514 | Thermally self-protected power switching semiconductor device | Roy Hyink, Robert W. Lade, Herman P. Schutten, Gordon B. Spellman | 1981-02-10 |
| 4213067 | Integrated gate turn-off device with non-regenerative power portion and lateral regenerative portion having split emission path | Gordon B. Spellman, Herman P. Schutten | 1980-07-15 |
| 4206646 | Transducer combining comparator or converter function with sensor function | Gordon B. Spellman, Herman P. Schutten, Robert W. Lade | 1980-06-10 |
| 4185253 | Temperature sensitive relaxation oscillator | Robert W. Lade, Gordon B. Spellman, Herman P. Schutten | 1980-01-22 |
| 4184126 | Temperature sensitive astable multivibrator | Robert W. Lade, Herman P. Schutten, Gordon B. Spellman | 1980-01-15 |