Lofstad; Eric W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lofstad; Eric W..The latest application filed is for "long range radio frequency identification system".
- Lofstad; Eric W. - Circle Pines MN
- Lofstad; Eric W. - Eagan MN
| Patent | Date |
|---|---|
| Long range radio frequency identification system Grant 8,680,966 - Geiszler , et al. March 25, 2 | 2014-03-25 |
| Long Range Radio Frequency Identification System App 20130069762 - Geiszler; Theodore D. ; et al. | 2013-03-21 |
| Long range radio frequency identification system Grant 8,310,344 - Geiszler , et al. November 13, 2 | 2012-11-13 |
| Long Range Radio Frequency Identification System App 20100207740 - Geiszler; Theodore D. ; et al. | 2010-08-19 |
| Wireless phone-interface device Grant 7,248,157 - Bergman , et al. July 24, 2 | 2007-07-24 |
| Wireless phone-interface device Grant 7,054,414 - Bergman , et al. May 30, 2 | 2006-05-30 |
| Wireless phone-interface device App 20020163997 - Bergman, John Todd ; et al. | 2002-11-07 |
| Wireless phone-interface device App 20020163430 - Bergman, John Todd ; et al. | 2002-11-07 |
| Linear power control loop Grant 6,417,729 - Lemay , et al. July 9, 2 | 2002-07-09 |
| Method and system for reading intelligent utility meters Grant 6,333,975 - Brunn , et al. December 25, 2 | 2001-12-25 |
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