Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10014759 | EcoCharge power plant | — | 2018-07-03 |
| 9963037 | EcoCharge | — | 2018-05-08 |
| 9539906 | EcoCharge powered planes and drones | — | 2017-01-10 |
| 9219402 | EcoCharge power plant | — | 2015-12-22 |
| 9130414 | Ecocharge system with layered graphene sheets for generating EMF from the earth's magnetic field to power electric vehicles | — | 2015-09-08 |
| 8510869 | Rear looking snow helmet | Jeffrey Scott Tonigan | 2013-08-20 |
| 8041336 | Methods and apparatus for accurately determining signal time of arrival | Joshua Holden | 2011-10-18 |
| 7869487 | Quadrature multi-frequency ranging (QMFR) applied to GPS multipath mitigation | Paul A. Gilmour | 2011-01-11 |
| 7746939 | Methods and apparatus for encoding information in a signal by spectral notch modulation | — | 2010-06-29 |
| 7453961 | Methods and apparatus for detection of signal timing | Don Li | 2008-11-18 |
| 7366243 | Methods and apparatus for transmitting non-contiguous spread spectrum signals for communications and navigation | — | 2008-04-29 |
| 7239707 | Staggered pulse acquisition method and apparatus | Gene L. Cangiani, Peter M. Brodie, James M. Clark | 2007-07-03 |
| 7154937 | Quadrature multi-frequency ranging (QMFR) applied to GPS multipath mitigation | Paul A. Gilmour | 2006-12-26 |
| 6861982 | System for determining position of an emitter | Howard Forstrom, Lawrence J. Doyle | 2005-03-01 |
| 6859463 | Methods and apparatus for organizing selection of operational parameters in a communication system | Michael A. Mayor, Donald Rasmussen, Eric A. Whitehill, Charles A. Simmons | 2005-02-22 |
| 6801782 | Method and apparatus for determining the position of a mobile communication device | Peter Cummiskey, Lawrence J. Doyle, Howard Forstrom | 2004-10-05 |
| 6665333 | Methods and apparatus for determining the time of arrival of a signal | Lawrence J. Doyle, Howard Forstrom | 2003-12-16 |
| 6453168 | Method and apparatus for determining the position of a mobile communication device using low accuracy clocks | Lawrence J. Doyle, Howard Forstrom | 2002-09-17 |
| 5659963 | Coin and token roll opener | — | 1997-08-26 |
| 4914699 | High frequency anti-jam communication system terminal | James Dunn, Bruce Lager | 1990-04-03 |