Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452508 | Graded index optical fibres | Keith J. Beales, William James Duncan, Anthony G. Dunn | 1984-06-05 |
| 4410567 | Optical fibres and coatings therefor | Paul W. France | 1983-10-18 |
| 4351659 | Method for manufacture of graded index optical fibres | Keith J. Beales, Clive R. Day | 1982-09-28 |
| 4275951 | Optical fibres and glasses | Keith J. Beales, William J. Duncon, Anthony G. Dunn | 1981-06-30 |