Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8537028 | Utility meter with virtual shut-off function | Lance A. Ehrke, Donn R. Dresselhuys | 2013-09-17 |
| 7868782 | Commodity monitoring network | Lance A. Ehrke, Donn R. Dresselhuys | 2011-01-11 |
| 7772989 | Electronic electric meter for networked meter reading | Lance A. Ehrke, Donn R. Dresselhuys | 2010-08-10 |
| 7277027 | Electronic electric meter for networked meter reading | Lance A. Ehrke, Donn R. Dresselhuys | 2007-10-02 |
| 7064679 | Electronic electric meter for networked meter reading | Lance A. Ehrke, Donn R. Dresselhuys | 2006-06-20 |
| 6538577 | Electronic electric meter for networked meter reading | Lance A. Ehrke, Donn R. Dresselhuys | 2003-03-25 |
| 6369769 | Flush mounted pit lid antenna | Eric Paul Dresselhuys | 2002-04-09 |
| 6246677 | Automatic meter reading data communication system | Lance A. Ehrke, Donn R. Dresselhuys | 2001-06-12 |
| 5659300 | Meter for measuring volumetric consumption of a commodity | Donn R. Dresselhuys, Lance A. Ehrke | 1997-08-19 |
| 4988975 | Dip stick resistive liquid level detector with adjustable stop | — | 1991-01-29 |