Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486786 | Water-monitoring apparatus with anchor | — | 2002-11-26 |
| 6457496 | Liquid dispensing and metering system | — | 2002-10-01 |
| 6452500 | Hydrocarbon sensing apparatus | — | 2002-09-17 |
| 6429778 | Water-monitoring apparatus capable of auto-tracing water level and non-contact signal relay for the same | — | 2002-08-06 |