| 5187552 |
Shielded field-effect transistor devices |
Ronald Koelsch |
1993-02-16 |
| 4797724 |
Reducing bipolar parasitic effects in IGFET devices |
Clifford H. Boler, Marc D. Hartranft |
1989-01-10 |
| 4735914 |
FET for high reverse bias voltage and geometrical design for low on resistance |
Ronald Koelsch |
1988-04-05 |
| 4618922 |
Isolated control signal source |
Marc D. Hartranft |
1986-10-21 |
| 4610062 |
Method of making an acoustic microphone |
Jon A. Roberts |
1986-09-09 |
| 4495385 |
Acoustic microphone |
Jon A. Roberts |
1985-01-22 |
| 4420790 |
High sensitivity variable capacitance transducer |
Keith Golke, Charles Huang |
1983-12-13 |
| 4356150 |
Humidity sensor with electrical rejection of contaminants |
Robert G. Johnson |
1982-10-26 |
| 4319182 |
Alternating polarity power supply control apparatus |
Marc D. Hartranft |
1982-03-09 |
| 4295057 |
Dual signal control system |
— |
1981-10-13 |
| 4266237 |
Semiconductor apparatus |
— |
1981-05-05 |
| 4256977 |
Alternating polarity power supply control apparatus |
— |
1981-03-17 |
| 4256979 |
Alternating polarity power supply control apparatus |
Thomas Spindler |
1981-03-17 |
| 4236831 |
Semiconductor apparatus |
— |
1980-12-02 |
| 4235011 |
Semiconductor apparatus |
Douglas Butler, Ronald Koelsch |
1980-11-25 |