Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8262224 | Binocular indirect ophthalmoscope | — | 2012-09-11 |
| 5542905 | Switch mechanism for use in a laryngoscope handle | — | 1996-08-06 |
| 5465124 | Headband with adjustable device for positioning an optical device | — | 1995-11-07 |
| 4546231 | Creation of a parting zone in a crystal structure | Herbert D. Gresser | 1985-10-08 |
| 4392476 | Method and apparatus for placing identifying indicia on the surface of precious stones including diamonds | Herbert D. Gresser, George Kaplan | 1983-07-12 |