Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297225 | Off-axis optical rotary joint | Ian B. MacKay, Kenneth Bowers | 1994-03-22 |
| 5039193 | Fibre optic single mode rotary joint | Graham Smith, Geoffrey H. Channer, John W. Purdy | 1991-08-13 |
| 4870292 | Fibre optic sensor for liquid level and other parameters | Martin D. Alpert | 1989-09-26 |