Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215457 | Apparatus and methods for modulating refractive index | Howard P. Groger | 2007-05-08 |
| 7145709 | Apparatus and methods for modulating refractive index | Howard P. Groger | 2006-12-05 |
| 7126091 | Workpiece holder for vacuum processing | — | 2006-10-24 |
| 7009750 | Apparatus and methods for modulating refractive index | Howard P. Groger | 2006-03-07 |
| 6822778 | Electrochromic layer | Nikolai Kislov | 2004-11-23 |
| 6515787 | Electrochromic layer | Nikolai Kislov | 2003-02-04 |
| 5033813 | Low loss fiber optic switch | — | 1991-07-23 |
| RE33184 | Power controller circuit with automatic correction for phase lag between voltage and current | John F. Kohls | 1990-03-20 |
| 4672301 | Power controller circuit with automatic correction for phase lag between voltage and current | John F. Kohls | 1987-06-09 |
| 4624738 | Continuous gas plasma etching apparatus and method | Erich J. Feldl | 1986-11-25 |