Matzen; Walter T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matzen; Walter T..The latest application filed is for "hall-effect element with integrated offset control and method for operating hall-effect element to reduce null offset".
- Matzen; Walter T. - Richardson TX
| Patent | Date |
|---|---|
| Hall-effect element with integrated offset control and method for operating hall-effect element to reduce null offset Grant 6,492,697 - Plagens , et al. December 10, 2 | 2002-12-10 |
| Vertical cavity surface emitting laser having intensity control Grant 6,069,905 - Davis , et al. May 30, 2 | 2000-05-30 |
| Shunt phototransistor with reverse bias protection Grant 5,466,954 - Aizpuru , et al. November 14, 1 | 1995-11-14 |
| Bidirectional surge suppressor Zener diode circuit with guard rings Grant 5,130,760 - Matzen , et al. July 14, 1 | 1992-07-14 |
| Large value capacitor Grant 4,017,885 - Kendall , et al. April 12, 1 | 1977-04-12 |
| Integrated injection logic having high inverse current gain Grant 3,982,266 - Matzen , et al. September 21, 1 | 1976-09-21 |
| Spreading resistance thermistor Grant 3,936,789 - Matzen , et al. February 3, 1 | 1976-02-03 |
| Differential Method Of Photocurrent Measurement Grant 3,781,680 - Stehlin , et al. December 25, 1 | 1973-12-25 |
| State Retention Circuit For Radiation Hardened Flip Flop Grant 3,731,119 - Matzen May 1, 1 | 1973-05-01 |
| Optical Switching For Keyboard Encoder Grant 3,668,407 - Matzen , et al. June 6, 1 | 1972-06-06 |
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