Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757207 | Measurement of registration of overlaid test patterns by the use of reflected light | Ronald E. Chappelow | 1988-07-12 |
| 4521087 | Optical system with diffuser for transformation of a collimated beam into a self-luminous arc with required curvature and numerical aperture | by Ellen J. Hayes, administratrix, Kantilal Jain, Randall T. Kerth | 1985-06-04 |
| 4357006 | Distortion free 3 point vacuum fixture | — | 1982-11-02 |