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Total properties:
12
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Patent #:
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Issue Dt:
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01/23/1990
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Application #:
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07269296
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Filing Dt:
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11/10/1988
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Title:
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RAILROAD GATE ARM LAMP CIRCUIT
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Patent #:
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Issue Dt:
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06/11/1991
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Application #:
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07514980
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Filing Dt:
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04/26/1990
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Title:
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AC AND BATTERY BACKUP SUPPLY FOR A RAILROAD CROSSING GATE
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Patent #:
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Issue Dt:
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07/09/1991
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Application #:
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07522667
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Filing Dt:
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05/14/1990
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Title:
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MULTI-FREQUENCY RAILROAD GRADE CROSSING TERMINATION SHUNT ASSEMBLY
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Patent #:
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Issue Dt:
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09/19/1995
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Application #:
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07945236
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Filing Dt:
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09/15/1992
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Title:
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TEMPERATURE COMPENSATED, REGULATED POWER SUPPLY AND BATTERY CHARGER FOR RAILROAD SIGNAL USE
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Patent #:
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Issue Dt:
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05/12/1998
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Application #:
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08617469
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Filing Dt:
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03/15/1996
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Title:
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GEOGRAPHIC TRAIN CONTROL
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Patent #:
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Issue Dt:
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04/07/1998
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Application #:
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08655700
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Filing Dt:
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06/03/1996
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Title:
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RAILROAD TRACK CIRCUIT VITAL RELAY CONTROL
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Patent #:
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Issue Dt:
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11/10/1998
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Application #:
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08924897
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Filing Dt:
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09/08/1997
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Title:
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RAILROAD CROSSING GATE MECHANISM CONTROL SYSTEM
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Patent #:
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Issue Dt:
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12/22/1998
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Application #:
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08994386
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Filing Dt:
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12/19/1997
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Title:
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RAILROAD CROSSING GATE CONTROL SYSTEM INCLUDING A SEPARATE MAINTENANCE RELAY
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Patent #:
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Issue Dt:
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10/08/2002
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Application #:
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09467796
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Filing Dt:
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12/20/1999
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Title:
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RAILROAD VITAL SIGNAL OUTPUT MODULE WITH CRYPTOGRAPHIC SAFE DRIVE
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Patent #:
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Issue Dt:
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12/26/2006
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Application #:
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11132006
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Filing Dt:
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05/18/2005
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Publication #:
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Pub Dt:
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11/23/2006
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Title:
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HIGHWAY-RAIL GRADE CROSSING REMOTE SETUP, CALIBRATION AND TROUBLESHOOTING
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Patent #:
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Issue Dt:
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04/01/2008
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Application #:
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11132007
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Filing Dt:
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05/18/2005
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Publication #:
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Pub Dt:
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11/23/2006
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Title:
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TEMPLATE CROSSING DESIGN AND PROGRAMMING FOR HIGHWAY-RAIL GRADE CROSSINGS
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Patent #:
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Issue Dt:
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10/28/2008
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Application #:
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11132047
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Filing Dt:
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05/18/2005
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Publication #:
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Pub Dt:
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11/23/2006
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Title:
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HIGHWAY-RAIL GRADE CROSSING CONTROLLER WITH OUT OF SERVICE MODE
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