Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974962 | Opto-electronic scale-reading apparatus | F. E. R. Cannings | 1990-12-04 |
| 4949289 | Interpolation apparatus | Mark E. Pleydell | 1990-08-14 |
| 4926566 | Method of producing a metrological scale and scale produced by such method | D. R. McMurtry, M. Kirkbride | 1990-05-22 |