Issued Patents All Time
Showing 51–75 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532495 | Internet download enhancement system | Aiman A. Abdel-Malek | 2003-03-11 |
| 6498627 | Use of wideband DTV overlay signals for brevity signaling and public safety | John Erik Hershey, Mark Lewis Grabb | 2002-12-24 |
| 6497656 | Integrated wireless broadband communications network | Scott Charles Evans, John Erik Hershey, David Michael Davenport, Harold Woodruff Tomlinson, Jr., Ralph Thomas Hoctor +1 more | 2002-12-24 |
| 6459741 | Implementation of N-VSB training sequences in N-squared QAM receiver structures | Mark Lewis Grabb, John Erik Hershey | 2002-10-01 |
| 6437832 | Mitigation of multipath using ultra wideband DTV overlay signal | Mark Lewis Grabb, John Erik Hershey | 2002-08-20 |
| 6433744 | Wideband patch antenna | John Erik Hershey, Gregory Bruce Robinson, Daniel White Sexton, David Michael Davenport, Gary William Yeager | 2002-08-13 |
| 6430210 | Receiver for detecting an amplitude modulated signal insinuated on an GHM signal | Donald T. McGrath, John Erik Hershey | 2002-08-06 |
| 6417805 | Three-dimensional channel sounder for DTV receivers | John Erik Hershey, Mark Lewis Grabb | 2002-07-09 |
| 6417890 | Modulation of pilot tone amplitude in DTV broadcast for faster channel acquisition | John Erik Hershey, Mark Lewis Grabb | 2002-07-09 |
| 6366199 | Method and apparatus for measuring and accumulating critical automobile warranty statistical data | Brock Estel Osborn, John Erik Hershey, Russell Robert Irving, Nick Andrew Van Stralen | 2002-04-02 |
| 6292518 | Use of 64-QAM circuitry for receiving and decoding 8-VSB signals | Mark Lewis Grabb, John Erik Hershey | 2001-09-18 |
| 6262573 | Electromagnetic system for railroad track crack detection and traction enhancement | Robert J. Wojnarowski, William P. Kornrumpf | 2001-07-17 |
| 6262672 | Reduced cost automatic meter reading system and method using locally communicating utility meters | Glen William Brooksby, Daniel David Harrison, Daniel A. Staver, Ertugrul Berkcan, Ralph Thomas Hoctor +1 more | 2001-07-17 |
| 6144900 | Automatic serialization of an array of wireless nodes based on coupled oscillator model | Irfan Ali, Michael P. Weir | 2000-11-07 |
| 6104978 | GPS-based centralized tracking system with reduced energy consumption | Daniel David Harrison | 2000-08-15 |
| 6101214 | Power line communications spread spectrum symbol timing and random phasing | John Erik Hershey, Gary J. Saulnier, Richard August Korkosz, Richard C. Gaus, Jr. | 2000-08-08 |
| 5865163 | Dicing saw alignment for array ultrasonic transducer fabrication | Douglas Glenn Wildes, William P. Kornrumpf | 1999-02-02 |
| 5864315 | Very low power high accuracy time and frequency circuits in GPS based tracking units | Richard Louis Frey | 1999-01-26 |
| 5844949 | Power line communication system | John Erik Hershey, Richard August Korkosz, Gary J. Saulnier, Richard C. Gaus, Jr. | 1998-12-01 |
| 5835319 | Method and apparatus for circuit breaking | Thomas M. Palmer | 1998-11-10 |
| 5817943 | Pressure sensors | Michael P. Weir | 1998-10-06 |
| 5743495 | System for detecting broken rails and flat wheels in the presence of trains | Irfan Ali | 1998-04-28 |
| 5730113 | Dicing saw alignment for array ultrasonic transducer fabrication | Douglas Glenn Wildes, William P. Kornrumpf | 1998-03-24 |
| 5691980 | Local communication network for power reduction and enhanced reliability in a multiple node tracking system | Jerome J. Tiemann, Sandeep Chennakeshu, Harold Woodruff Tomlinson, Jr. | 1997-11-25 |
| 5686888 | Use of mutter mode in asset tracking for gathering data from cargo sensors | John Erik Hershey | 1997-11-11 |