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Louis Halberstadt
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Andover, MA, US
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last 30 patents
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Patent Grant
Process for extruding low density foam using water blowing agent
Patent number
5,788,889
Issue date
Aug 4, 1998
Amesbury Group, Inc.
Alan J. DeMello
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for extruding a low density thermoplastic foam
Patent number
5,728,406
Issue date
Mar 17, 1998
Amesbury Group, Inc.
Louis Halberstadt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Low density thermoplastic foam
Patent number
5,654,346
Issue date
Aug 5, 1997
Amesbury Industries, Inc.
Louis Halberstadt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for extruding low density foam using water as a blowing agent
Patent number
5,607,629
Issue date
Mar 4, 1997
Amesbury Group Inc.
Alan J. DeMello
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process and apparatus for extruding a low density elastomeric therm...
Patent number
5,512,601
Issue date
Apr 30, 1996
Amesbury Group Inc.
Louis Halberstadt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for extruding a low density thermoplastic foam
Patent number
5,393,796
Issue date
Feb 28, 1995
Amesbury Industries, Inc.
Louis Halberstadt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for coating a substrate with a liquid resin
Patent number
5,192,586
Issue date
Mar 9, 1993
Amesbury Industries, Inc.
Peter E. Mertinooke
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process and apparatus for extruding a low density elastomeric therm...
Patent number
4,898,760
Issue date
Feb 6, 1990
Amesbury Industries, Inc.
Louis Halberstadt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL