Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874243 | Apparatus for continuously measuring the turbidity of a fluid | — | 1989-10-17 |
| 4359637 | Feeler for a monitoring apparatus | — | 1982-11-16 |
| 4322721 | Self-monitoring warning installation | — | 1982-03-30 |
| 4201914 | Electrical instrument to detect the presence of liquid and method of operating the same | — | 1980-05-06 |
| 4197458 | Electro-optical apparatus for the detection of the presence of liquid | — | 1980-04-08 |
| 4197459 | Electro-optical device for the detection of the presence of liquid | — | 1980-04-08 |