Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181482 | Variable ratio anamorphic lens | — | 2001-01-30 |
| 5512949 | Multiple beam raster output scanner optical system having telecentric chief exit rays | Tibor Fisli | 1996-04-30 |
| 4422181 | Bi-directional fibre-optic coupler | Eric B. Hochberg, Ronald E. Purkis | 1983-12-20 |
| 4397521 | Double pass optical system for raster scanners | Ronald L. Antos, Harry P. Brueggemann | 1983-08-09 |
| 4230394 | Mirror facet tracker using spherical mirrors | Harry P. Brueggemann | 1980-10-28 |