Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257730 | Drape for a surgical microscope with anti-halation window | Nicholas E. John | 2001-07-10 |
| 5642220 | Microscope balance compensator | Gerald S. Gahn | 1997-06-24 |
| 5155509 | Oblique illumination device for use with an ophthalmic microscope | — | 1992-10-13 |
| 5089909 | Documentation illumination module for a microscope system | — | 1992-02-18 |
| 5052789 | Multi-user microscope with orientation adjustment and method | — | 1991-10-01 |
| 5007723 | Documentation illumination module for a microscope system | — | 1991-04-16 |
| 4938575 | Microscope system and attachment | Douglas R. Mongeon | 1990-07-03 |
| 4856873 | Documentation illumination module | — | 1989-08-15 |
| 4688907 | System providing 3 identical optical paths and adapted for a microscope | — | 1987-08-25 |
| 4668057 | Counter-balancing microscope assembly | — | 1987-05-26 |
| 4598710 | Surgical instrument and method of making same | Donald S. Evans | 1986-07-08 |
| 4543857 | Surgical instrument and method of making same | Don S. Evans | 1985-10-01 |