Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10729322 | Unreversed prism gonioscopy lens and carrier assembly | Raymond D. Graham | 2020-08-04 |
| 10716470 | Unreversed prism gonioscopy lens | Raymond D. Graham | 2020-07-21 |
| 6976758 | Gonioscopy lens | Peng Tee Khaw, Daniel M. Bell | 2005-12-20 |
| 6767098 | Ophthalmoscopic prism | Phillip J. Erickson, Paul C Whalen, Raymond D. Graham | 2004-07-27 |
| 6698886 | Iridotomy and trabeculoplasty goniolaser lens | Irvin P. Pollack, Daniel M. Bell, Raymond D. Graham | 2004-03-02 |