Patent | Date |
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Chemical and biological sensors, systems and methods based on radio frequency identification Grant 8,318,099 - Potyrailo , et al. November 27, 2 | 2012-11-27 |
Optical article having anti-theft feature and a system and method for inhibiting theft of same Grant 8,057,886 - Wisnudel , et al. November 15, 2 | 2011-11-15 |
System And Method For Improved Data Storage App 20110273973 - Ross; John Anderson Fergus ;   et al. | 2011-11-10 |
System and method for improved data storage Grant 8,050,166 - Ross , et al. November 1, 2 | 2011-11-01 |
Optical Article Having Anti-theft Feature And A System And Method For Inhibiting Theft Of Same App 20100258745 - Wisnudel; Marc Brian ;   et al. | 2010-10-14 |
System And Method For Optical Locomotive Decoupling Detection App 20100148013 - Bhotika; Rahul ;   et al. | 2010-06-17 |
Narrow band pass filter Grant 7,652,526 - Welles, II , et al. January 26, 2 | 2010-01-26 |
Optical article having anti-theft feature and a system and method for inhibiting theft of same Grant 7,653,919 - Potyrailo , et al. January 26, 2 | 2010-01-26 |
Reduced cost automatic meter reading system and method using locally communicating utility meters Grant 7,548,223 - Brooksby , et al. June 16, 2 | 2009-06-16 |
Compensating for dynamic nulls in a power line communication system Grant 7,493,100 - Welles, II , et al. February 17, 2 | 2009-02-17 |
Self powered railway monitoring system Grant 7,364,123 - Welles, II , et al. April 29, 2 | 2008-04-29 |
Time-delayed transmitted reference spread spectrum transmitter with digital noise generator Grant 7,269,201 - Hershey , et al. September 11, 2 | 2007-09-11 |
System and method for detecting rail break or vehicle Grant 7,226,021 - Anderson , et al. June 5, 2 | 2007-06-05 |
Rail based electric power generation system Grant 7,148,581 - Hershey , et al. December 12, 2 | 2006-12-12 |
Ultra-wideband communications system and method using a delay hopped, continuous noise transmitted reference Grant 7,068,715 - Hoctor , et al. June 27, 2 | 2006-06-27 |
System and method for monitoring alignment of a signal lamp Grant 7,053,784 - Hatfield , et al. May 30, 2 | 2006-05-30 |
Location system using retransmission of identifying information Grant 6,970,097 - Welles, II , et al. November 29, 2 | 2005-11-29 |
Infinite electronic integrator Grant 6,919,835 - Welles, II , et al. July 19, 2 | 2005-07-19 |
Method and system for calibrating relative fields of view of multiple cameras Grant 6,873,924 - Welles, II , et al. March 29, 2 | 2005-03-29 |
Reduced cost automatic meter reading system and method using locally communicating utility meters Grant 6,816,360 - Brooksby , et al. November 9, 2 | 2004-11-09 |
Ultra-wideband communications system Grant 6,810,087 - Hoctor , et al. October 26, 2 | 2004-10-26 |
Automatic meter reading system using locally communicating utility meters Grant 6,737,984 - Welles, II , et al. May 18, 2 | 2004-05-18 |
Optimization of television reception by selecting among or combining multiple antenna inputs Grant 6,577,353 - Welles, II , et al. June 10, 2 | 2003-06-10 |
NTSC tuner to improve ATSC channel acquisition and reception Grant 6,538,704 - Grabb , et al. March 25, 2 | 2003-03-25 |
Pilot signal control for digital television DTV transmission Grant 6,539,062 - Grabb , et al. March 25, 2 | 2003-03-25 |
Internet download enhancement system Grant 6,532,495 - Welles, II , et al. March 11, 2 | 2003-03-11 |
Integrated wireless broadband communications network Grant 6,497,656 - Evans , et al. December 24, 2 | 2002-12-24 |
Implementation of N-VSB training sequences in N-squared QAM receiver structures Grant 6,459,741 - Grabb , et al. October 1, 2 | 2002-10-01 |
Mitigation of multipath using ultra wideband DTV overlay signal Grant 6,437,832 - Grabb , et al. August 20, 2 | 2002-08-20 |
Receiver for detecting an amplitude modulated signal insinuated on an GHM signal Grant 6,430,210 - McGrath , et al. August 6, 2 | 2002-08-06 |
Three-dimensional channel sounder for DTV receivers Grant 6,417,805 - Hershey , et al. July 9, 2 | 2002-07-09 |
Use of 64-QAM circuitry for receiving and decoding 8-VSB signals Grant 6,292,518 - Grabb , et al. September 18, 2 | 2001-09-18 |
Reduced cost automatic meter reading system and method using locally communicating utility meters Grant 6,262,672 - Brooksby , et al. July 17, 2 | 2001-07-17 |
Electromagnetic system for railroad track crack detection and traction enhancement Grant 6,262,573 - Wojnarowski , et al. July 17, 2 | 2001-07-17 |
Automatic serialization of an array of wireless nodes based on coupled oscillator model Grant 6,144,900 - Ali , et al. November 7, 2 | 2000-11-07 |
GPS-based centralized tracking system with reduced energy consumption Grant 6,104,978 - Harrison , et al. August 15, 2 | 2000-08-15 |
Very low power high accuracy time and frequency circuits in GPS based tracking units Grant 5,864,315 - Welles, II , et al. January 26, 1 | 1999-01-26 |
Power line communication system Grant 5,844,949 - Hershey , et al. December 1, 1 | 1998-12-01 |
Method and apparatus for circuit breaking Grant 5,835,319 - Welles, II , et al. November 10, 1 | 1998-11-10 |
System for detecting broken rails and flat wheels in the presence of trains Grant 5,743,495 - Welles, II , et al. April 28, 1 | 1998-04-28 |
Dicing saw alignment for array ultrasonic transducer fabrication Grant 5,730,113 - Wildes , et al. March 24, 1 | 1998-03-24 |
Local communication network for power reduction and enhanced reliability in a multiple node tracking system Grant 5,691,980 - Welles, II , et al. November 25, 1 | 1997-11-25 |
Use of mutter mode in asset tracking for gathering data from cargo sensors Grant 5,686,888 - Welles, II , et al. November 11, 1 | 1997-11-11 |