Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5077482 | Liquid gauge having an optical fiber with flexible membrane enclosure | David B. Chang, Patrick C. Brownrigg | 1991-12-31 |
| 5058420 | Fiber optic liquid leak detector | David B. Chang, Patrick C. Brownrigg | 1991-10-22 |
| 5018827 | Method for eliminating the temperature sensitivity of an optical fiber and a temperature insensitive optical fiber | Patrick C. Brownrigg, Bruce Youmans | 1991-05-28 |
| 5012499 | .gamma.-ray detecting device using dislocation-free crystal | David B. Chang | 1991-04-30 |
| 5004914 | Fiber-optic interferometric chemical sensor | David B. Chang, Patrick C. Brownrigg | 1991-04-02 |
| 4987582 | X-ray fluorescence imaging of elements | Jackie R. Webster, Keith Pearson, David B. Chang, Norton L. Moise | 1991-01-22 |