Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7479871 | Radio frequency warning system for ferromagnetic threats | — | 2009-01-20 |
| 7315257 | Automated meter reader having high product delivery rate alert generator | Tim Patterson, Kenneth J. Derry | 2008-01-01 |
| 7248181 | Automated meter reading system | Tim Patterson, Kenneth J. Derry | 2007-07-24 |
| 7042368 | Automated meter reader device having optical sensor with automatic gain control | Tim Patterson, Kenneth J. Derry, Jason Pinkham | 2006-05-09 |
| 6798352 | Optical sensor for utility meter | — | 2004-09-28 |
| 6755148 | Dual magnetic register for a utility meter | — | 2004-06-29 |
| 6710721 | Radio frequency automated meter reading device | — | 2004-03-23 |
| 6653945 | Radio communication network for collecting data from utility meters | Dennis F. Johnson, Michael Wiebe, Nathan R. Jacob, Michael F. Murhpy, James J. Schellenberg +1 more | 2003-11-25 |
| 6373399 | Wide area communications network for remote data generating stations | Dennis F. Johnson, Michael Wiebe, Nathan R. Jacob, Michael Murphy, James J. Schellenberg +1 more | 2002-04-16 |
| 6172616 | Wide area communications network for remote data generating stations | Dennis F. Johnson, Michael Wiebe, Nathan R. Jacob, Michael Murphy, James J. Schellenberg +1 more | 2001-01-09 |
| 5963146 | Wide area communications network for remote data generating stations | Dennis F. Johnson, Michael Wiebe, Nathan R. Jacob, Michael F. Murhpy, James J. Schellenberg +1 more | 1999-10-05 |
| 5673252 | Communications protocol for remote data generating stations | Dennis F. Johnson, Don Marcynuk | 1997-09-30 |
| 5553094 | Radio communication network for remote data generating stations | Dennis F. Johnson, Michael Wiebe, Nathan R. Jacob, Michael Murphy, James J. Schellenberg +1 more | 1996-09-03 |