Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664558 | Non-prismatic optical liquid level sensing assembly | — | 2003-12-16 |
| 6578373 | Rate of change detector for refrigerant floodback | — | 2003-06-17 |
| 6557412 | Non-fouling liquid level control | Mark Doane | 2003-05-06 |