| 6809542 |
Wafer resistance measurement apparatus and method using capacitively coupled AC excitation signal |
— |
2004-10-26 |
| 5703424 |
Bias current control circuit |
— |
1997-12-30 |
| 5133527 |
Active mounts |
Hsiang Ming Chen, Paul Lewis, Donald Wilson |
1992-07-28 |
| 4761609 |
Tachometer signal conditioner |
Donald E. Welch |
1988-08-02 |
| 4758065 |
Fiber optic sensor probe |
Gregory Hull-Allen |
1988-07-19 |
| 4751381 |
Fast dither detector for fiber optic sensor |
— |
1988-06-14 |
| 4719409 |
Digital signal output capacitance sensor displacement gauging system |
— |
1988-01-12 |
| 4694474 |
High speed counter for thin objects |
Robert E. Johnson |
1987-09-15 |
| 4674882 |
Precision optical displacement measuring instrument using servo controlled fiber optic sensor |
Curtis D. Kissinger, Leo Hoogenboom, Gregory Hull-Allen, Samuel Fallek |
1987-06-23 |
| 4488813 |
Reflectivity compensating system for fiber optic sensor employing dual probes at a fixed gap differential |
Curtis D. Kissinger |
1984-12-18 |
| 4353220 |
Resonant piston compressor having improved stroke control for load-following electric heat pumps and the like |
Peter W. Curwen |
1982-10-12 |
| 4345442 |
Control system for resonant free-piston variable stroke compressor for load-following electric heat pumps and the like |
— |
1982-08-24 |
| 4291258 |
DC Excitation control for linear oscillating motors |
Howard L. Clark, Paul R. Back |
1981-09-22 |
| 4254331 |
Calibration circuit for fiber optic proximity instrument |
Curtis D. Kissinger |
1981-03-03 |