Total properties:
16
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Patent #:
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Issue Dt:
|
07/10/1990
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Application #:
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07393603
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Filing Dt:
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08/14/1989
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Title:
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EXCAVATOR DIPPER WITH LIGHTWEIGHT REPLACEABLE SECTION
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Patent #:
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Issue Dt:
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05/22/1990
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Application #:
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07403633
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Filing Dt:
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09/06/1989
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Title:
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RAPID SHUT-OFF SYSTEM FOR TRUCK ENGINE
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Patent #:
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Issue Dt:
|
04/14/1992
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Application #:
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07514626
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Filing Dt:
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04/25/1990
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Title:
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ACCESS DOOR FOR COAL CRUSHER FEED CHUTE
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Patent #:
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Issue Dt:
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08/11/1992
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Application #:
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07541560
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Filing Dt:
|
06/21/1990
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Title:
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METHOD FOR PRODUCING DRIED PARTICULATE COAL FUEL AND ELECTRICITY FROM A LOW RANK PARTICULATE COAL
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Patent #:
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Issue Dt:
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11/12/1991
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Application #:
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07651163
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Filing Dt:
|
02/06/1991
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Title:
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LIGHTWEIGHT EXCAVATOR DIPPER WITH REPLACEABLE TOP AND BOTTOM SECTIONS
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Patent #:
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Issue Dt:
|
12/22/1992
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Application #:
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07718715
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Filing Dt:
|
06/21/1991
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Title:
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WATER SPRAY CONTROL SYSTEM FOR UNDERGROUND MINING MACHINE
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Patent #:
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Issue Dt:
|
08/25/1992
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Application #:
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07797604
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Filing Dt:
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11/25/1991
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Title:
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METHOD FOR SURFACE MINING WITH DRAGLINE AND BLAST CASTING
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Patent #:
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Issue Dt:
|
06/28/1994
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Application #:
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07984649
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Filing Dt:
|
12/02/1992
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Title:
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REVEGETATION METHOD
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Patent #:
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Issue Dt:
|
09/13/1994
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Application #:
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08023656
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Filing Dt:
|
02/26/1993
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Title:
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FABRIC EQUIPMENT GUARD
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Patent #:
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Issue Dt:
|
11/14/1995
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Application #:
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08108364
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Filing Dt:
|
08/18/1993
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Title:
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SURVEY SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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05/09/1995
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Application #:
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08137681
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Filing Dt:
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10/15/1993
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Title:
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OVERBURDEN REMOVAL METHOD WITH BLAST CASTING AND EXCAVATING APPARATUS
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Patent #:
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|
Issue Dt:
|
03/11/1997
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Application #:
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08408773
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Filing Dt:
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03/23/1995
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Title:
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TRAINING IDLER ASSEMBLY FOR A CONVEYOR SYSTEM
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Patent #:
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|
Issue Dt:
|
09/22/1998
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Application #:
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08530748
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Filing Dt:
|
09/19/1995
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Title:
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APPARATUS AND METHOD FOR CONTINUOUS MINING
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Patent #:
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|
Issue Dt:
|
01/20/1998
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Application #:
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08744543
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Filing Dt:
|
11/06/1996
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Title:
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APPARATUS FOR CONTINUOUS MINING
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Patent #:
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|
Issue Dt:
|
09/16/1997
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Application #:
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08744587
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Filing Dt:
|
11/06/1996
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Title:
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APPARATUS AND METHOD FOR CONTINUOUS MINING
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|
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Patent #:
|
|
Issue Dt:
|
07/14/1998
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Application #:
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08747446
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Filing Dt:
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11/12/1996
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Title:
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SWING TAIL ASSEMBLY FOR MINER
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