Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132915 | Binocular indirect ophthalmoscope | Kelvyn Church, James Robert Matthews, Eugene R. Vanarsdale | 2012-03-13 |
| 7252381 | Ophthamoscope | Clive Harrold Thomas Burrows, Kelvyn Church, David Ernest Lane Freeman, James Robert Matthews | 2007-08-07 |