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Total properties:
12
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Patent #:
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Issue Dt:
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04/01/1986
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Application #:
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06567748
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Filing Dt:
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01/03/1984
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Title:
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SHEET METAL DUCT SYSTEM HAVING INTEGRAL TRANSVERSE FLANGES
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Patent #:
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Issue Dt:
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10/11/1994
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Application #:
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07690528
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Filing Dt:
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04/24/1991
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Title:
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PITTSBURGH SEAM CLOSER HAVING SINGLE SEAMING ROLL
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Patent #:
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Issue Dt:
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11/17/1992
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Application #:
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07749317
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Filing Dt:
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08/23/1991
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Title:
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ROLLFORMER FOR VARIABLE WIDTH EDGE PROFILES
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Patent #:
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Issue Dt:
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10/25/1994
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Application #:
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08126491
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Filing Dt:
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09/24/1993
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Title:
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DEFLECTION-RESISTANT SAFETY FLANGE FOR INTEGRALLY-FLANGED DUCT SECTIONS
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Patent #:
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Issue Dt:
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10/31/1995
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Application #:
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08327565
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Filing Dt:
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10/24/1994
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Title:
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SHEET METAL DUCT CONSTRUCTION PROVIDING PRELIMINARY SUPPORT FOR CORNER CRIMPING
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Patent #:
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Issue Dt:
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04/11/2000
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Application #:
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08801062
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Filing Dt:
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02/14/1997
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Title:
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APPARATUS AND METHOD FOR INSERTING ANGLE PLATES IN CHANNEL SHAPED FLANGES OF A DUCT
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Patent #:
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Issue Dt:
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07/04/2000
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Application #:
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09139613
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Filing Dt:
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08/25/1998
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Title:
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METHOD OF INSERTING CORNER MEMBERS IN CHANNEL-SHAPED FLANGES OF A DUCT
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Patent #:
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Issue Dt:
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09/25/2001
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Application #:
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09478113
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Filing Dt:
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01/04/2000
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Title:
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APPARATUS AND METHOD FOR INSERTING CORNER MEMBERS IN CHANNEL-SHAPED FLANGES OF A DUCT
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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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09495200
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Filing Dt:
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01/31/2000
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Title:
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COMPANION DUCT SYSTEM
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Patent #:
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Issue Dt:
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07/24/2001
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Application #:
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09543528
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Filing Dt:
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04/06/2000
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Title:
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Apparatus and method for inserting angle plates in channel shaped flanges of a duct
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Patent #:
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Issue Dt:
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10/29/2002
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Application #:
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09615940
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Filing Dt:
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07/13/2000
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Title:
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COMPANION DUCT FLANGES
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Patent #:
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Issue Dt:
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02/12/2002
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Application #:
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09653269
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Filing Dt:
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08/31/2000
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Title:
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Rotatable head assembly for sheet metal coil straightener device
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