Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4587414 | Apparatus for adjusting the position of an edge with surface portions reflecting different wavelengths of light | — | 1986-05-06 |
| 4469112 | Compound filter | Colin L. Browne, Charles H. Keith | 1984-09-04 |
| 4460001 | Process for preparing compound filter | Colin L. Browne, Charles H. Keith | 1984-07-17 |
| 4453083 | Apparatus for the determination of the position of a surface | Heinz-Peter Hippler | 1984-06-05 |