Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5369454 | System and method for producing and maintaining parallel and vertical fixation of visual axis | Ronald H. Silverman, Donald J. Coleman | 1994-11-29 |
| 5293871 | System for ultrasonically determining corneal layer thicknesses and shape | Ronald H. Silverman, Donald J. Coleman, Frederic L. Lizzi | 1994-03-15 |