Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467187 | Automatic calibration system for turbidimeters using a pulsing fluid flow to reciprocate a standard in a cuvette | — | 1995-11-14 |
| 5446544 | Turbidimeter | — | 1995-08-29 |
| 5259537 | Single dosage substance dispenser | Alvin L. Waltman | 1993-11-09 |
| 5083036 | Indicator circuit for a concentration measuring apparatus | — | 1992-01-21 |
| 4987778 | Comparative temperature compensating specific gravity test apparatus | — | 1991-01-29 |
| 4942759 | Viscosity testing apparatus | — | 1990-07-24 |
| 4720156 | Manually operated electrical connector for printed circuit boards | — | 1988-01-19 |
| 4613193 | Board-operated electrical connector for printed circuit boards | — | 1986-09-23 |
| 4611870 | Manually operated electrical connector for printed circuit boards | — | 1986-09-16 |