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Charles E. Mulcahey
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Beverly, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for manipulating and sewing flexible fabrics
Patent number
5,908,004
Issue date
Jun 1, 1999
Porter Sewing Machines, Inc.
Michael R. Porter
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Apparatus for assembly of pillow-top mattress covers
Patent number
5,782,190
Issue date
Jul 21, 1998
Porter Sewing Machines, Inc.
Michael R. Porter
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Variable walking foot apparatus for a sewing machine for mattresses
Patent number
5,678,502
Issue date
Oct 21, 1997
Porter Sewing Machines, Inc.
Charles E. Mulcahey
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method and apparatus for forming the side panel of a mattress sack
Patent number
5,664,508
Issue date
Sep 9, 1997
Porter Sewing Machines, Inc.
Charles E. Mulcahey
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method and apparatus for assembly of pillow-top mattress covers
Patent number
5,586,511
Issue date
Dec 24, 1996
Porter Sewing Machines, Inc.
Michael R. Porter
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method and apparatus for manipulating and sewing flexible fabrics
Patent number
5,529,004
Issue date
Jun 25, 1996
Porter Sewing Machines, Inc.
Michael R. Porter
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Method and apparatus for closing mattresses
Patent number
5,526,761
Issue date
Jun 18, 1996
Porter Sewing Machines, Inc.
Charles E. Mulcahey
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
Apparatus for assembly of pillow-top mattress covers
Patent number
5,501,164
Issue date
Mar 26, 1996
Porter Sewing Machines, Inc.
Michael R. Porter
D05 - SEWING EMBROIDERING TUFTING
Information
Patent Grant
High lift sewing machine
Patent number
5,309,854
Issue date
May 10, 1994
Porter Sewing Machines, Inc.
Charles E. Mulcahey
D05 - SEWING EMBROIDERING TUFTING