Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750152 | Method and apparatus for electrically testing and characterizing formation of microelectric features | John C. Christenson, Steven E. Staller, John E. Freeman, Troy Chase | 2004-06-15 |
| 6428713 | MEMS sensor structure and microfabrication process therefor | John C. Christenson, Steven E. Staller, John E. Freeman, Troy Chase, David B. Rich | 2002-08-06 |
| 5531121 | Micromachined integrated pressure sensor with oxide polysilicon cavity sealing | Douglas Ray Sparks, Ronald E. Brown, John C. Christenson | 1996-07-02 |
| 5427975 | Method of micromachining an integrated sensor on the surface of a silicon wafer | Douglas Ray Sparks, Ronald E. Brown, John C. Christenson | 1995-06-27 |