Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5966240 | Laser blocking filter with neutral transmission color | Mark H. Lange, Charles K. Langhorn, Dennis Fischer | 1999-10-12 | $7,172,000 |
| 5151917 | Laser resonators employing diffractive optical elements | Arnold Bloom, Dennis Fischer, Larry Giammona, Thomas F. Johnston, Jr. | 1992-09-29 | $955,000 |
| RE33729 | Multilayer optical filter for producing colored reflected light and neutral transmission | — | 1991-10-29 | |
| 4896928 | Chromatically invariant multilayer dielectric thin film coating | Stephen D. Vincent | 1990-01-30 | $913,000 |
| 4793669 | Multilayer optical filter for producing colored reflected light and neutral transmission | — | 1988-12-27 | $803,000 |
| 4746202 | Polarization preserving reflector and method | Dennis Fischer | 1988-05-24 | $1,039,000 |