Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003186 | Stratospheric Welsbach seeding for reduction of global warming | David B. Chang | 1991-03-26 |
| 4773748 | Dynamically controlled mirror for reduction of projected image distortion | David B. Chang, Peter L. Garrett, Norton L. Moise | 1988-09-27 |
| 4760257 | Apparatus for measuring properties of a laser emission | Slava A. Pollack, Robert Tzeng | 1988-07-26 |
| 4727550 | Radiation source | David B. Chang, James C. McDaniel, Norton L. Moise, Winfield W. Salisbury | 1988-02-23 |