Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370428 | Method for configuring a defibrillator | Bradford Evan Gliner, Thomas D. Lyster | 2002-04-09 |
| 6356785 | External defibrillator with CPR prompts and ACLS prompts and methods of use | Cecily Anne Snyder, Bradford Evan Gliner | 2002-03-12 |
| 6336692 | Cabinet with downward extendable/retractable shelves | — | 2002-01-08 |
| 6287328 | Multivariable artifact assessment | Thomas D. Lyster | 2001-09-11 |
| 5140894 | Gas spring actuator | M. Wayne Perkins, Joe Maxwell | 1992-08-25 |
| 5027847 | Pneumatic valve actuator sequencing control system and sequencing relay device incorporated therein | — | 1991-07-02 |
| 4974631 | Dome pressure maintaining valve | — | 1990-12-04 |
| 4735918 | Vertical channel field effect transistor | James D. Parsons | 1988-04-05 |
| 4677451 | Vertical channel field effect transistor | James D. Parsons | 1987-06-30 |
| 4625764 | Relay valve | Norman L. Gundel | 1986-12-02 |
| 4619434 | Heat sensitive motor valve jack | Billy R. Bruton | 1986-10-28 |
| 4523602 | Pressure controller | — | 1985-06-18 |
| 4469119 | Pilot valve with fusible lockout knob | Don Hiller | 1984-09-04 |
| 4469962 | High-speed MESFET circuits using depletion mode MESFET signal transmission gates | — | 1984-09-04 |
| 4421134 | Heat sensitive gate valve | Billy R. Bruton | 1983-12-20 |
| 4355658 | Pilot valve with indicating lockout knob | — | 1982-10-26 |
| 4319603 | Self-contained safety system | — | 1982-03-16 |
| 4304250 | Flow line control system | — | 1981-12-08 |
| 4257739 | Soft inplane helicopter rotor | Cecil E. Covington, Walter Gerd Oskar Sonneborn, Wesley L. Cresap | 1981-03-24 |
| 4252504 | Helicopter blade folding system | Cecil E. Covington | 1981-02-24 |
| 4211250 | Pressure relief valve | — | 1980-07-08 |
| 4186766 | Flow line control system | — | 1980-02-05 |