Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7382528 | Gem microscope having a swivel base and a stationary power cord | Sherman Gingerella, Derwin Fritts | 2008-06-03 |
| 7142358 | Gem microscope with portability kit | Sherman Gingerella, Derwin Fritts | 2006-11-28 |
| 7009762 | Gem microscope having a swivel base and a stationary power cord | Sherman Gingerella, Derwin Fritts | 2006-03-07 |