Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671034 | Polarisation dependent refractive device exhibiting independtly varying first and second indices of refraction and methods of manufacture thereof | Paul May, Kathryn Walsh | 1997-09-23 |
| 5640267 | Optical apparatus | Paul May | 1997-06-17 |