Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737122 | Illumination system for OCR of indicia on a substrate | Donald R. Wilt | 1998-04-07 |
| 5469294 | Illumination system for OCR of indicia on a substrate | Donald R. Wilt | 1995-11-21 |
| 5231536 | Robust, LED illumination system for OCR of indicia on a substrate | Donald R. Wilt | 1993-07-27 |
| RE33858 | Apparatus for measuring a chemical entity in a liquid | Andrian Gropper | 1992-03-24 |
| 4726929 | Apparatus for measuring a chemical entity in a liquid | Adrian Gropper | 1988-02-23 |
| 4524419 | System for determining the optimal ground depth of an ophthalmic lens having a closed homeomorphic boundary | Larry M. Headlund, Gary J. Marksteiner | 1985-06-18 |