Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7122008 | Blood pressure diagnostic aid | David B. Chang, Jane F. Emerson | 2006-10-17 |
| 7067258 | Human papillomavirus multiplexed assay | Mark ESSER, David W. Opalka, Victor Goetz, Michael W. Washabaugh | 2006-06-27 |
| 6974415 | Electromagnetic-acoustic imaging | Stephen A. Cerwin, David B. Chang, Jane F. Emerson, Stuart McNaughton | 2005-12-13 |
| 6535625 | Magneto-acoustic imaging | David B. Chang, Jane F. Emerson | 2003-03-18 |
| 5726444 | Ultrasonic directional fiber-optic hydrophone | — | 1998-03-10 |
| 5402786 | Magneto-acoustic resonance imaging | — | 1995-04-04 |
| 5311137 | Liquid crystal electric field tester for circuit boards | David B. Chang, Slava A. Pollack, Michael F. Berg | 1994-05-10 |
| 5275635 | Coastal air wash system | Lauren M. Purcell, Victor Vali, Norton L. Moise, Janet McWaid | 1994-01-04 |
| 5250326 | Reduction of nonmetallic coating surface vertical irregularities by electrostatic pressure | David B. Chang, Alexander H. Joyce | 1993-10-05 |
| 5086972 | Enhanced electrostatic paint deposition method and apparatus | David B. Chang | 1992-02-11 |
| 5076662 | Electro-optical IFS finder | I-Fu Shih, David B. Chang, Norton L. Moise | 1991-12-31 |
| 5050992 | Dispersive holographic spectrometer | I-Fu Shih | 1991-09-24 |
| 5041726 | Infrared holographic defect detector | David B. Chang | 1991-08-20 |
| 5033203 | Curing oven using Wellsbach conversion | David B. Chang, Slava A. Pollack, I-Fu Shih | 1991-07-23 |
| 4792683 | Thermal technique for simultaneous testing of circuit board solder joints | David B. Chang, Michael F. Berg, Lee Mickelson | 1988-12-20 |
| 4778493 | Electrostatic precipitator with means for the enhanced charging and collection of fine particles | Richard A. Fitch | 1988-10-18 |
| 4349359 | Electrostatic precipitator apparatus having an improved ion generating means | Richard A. Fitch, Alfred A. Mondelli | 1982-09-14 |
| 4236900 | Electrostatic precipitator apparatus having an improved ion generating means | Richard A. Fitch, Alfred A. Mondelli | 1980-12-02 |
| 4220906 | Dielectric thermal power converter | — | 1980-09-02 |