Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445767 | Optical switches | Christoper S. Winter, Stephen N. Oliver, Allan E. Underhill, Callum A. S. Hill | 1995-08-29 |
| 5394335 | Retrofit auto-indexing system | — | 1995-02-28 |
| 4566754 | Optical fibres | Keith J. Beales, Clive R. Day, Benjamin J. Ainslie | 1986-01-28 |