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Paul Catalanotti
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West Newton, MA, US
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last 30 patents
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Patent Grant
Injection molding method and system with expandable cavity element
Patent number
5,630,977
Issue date
May 20, 1997
Roehr Tool Corporation
Paul Catalanotti
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Expandable cavity core element for use in an injection molding system
Patent number
5,540,582
Issue date
Jul 30, 1996
Roehr Tool Corporation
Paul Catalanotti
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Expandable core element for use with an injection molding system
Patent number
D356320
Issue date
Mar 14, 1995
Roehr Tool Corporation
Paul Catalanotti
D15 - Machines not elsewhere specified
Information
Patent Grant
Injection molding method and system with expandable cavity element
Patent number
5,387,389
Issue date
Feb 7, 1995
Roehr Tool Corporation
Paul Catalanotti
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Molding apparatus with collapsible core
Patent number
4,919,608
Issue date
Apr 24, 1990
Roehr Tool Corporation
Paul Catalanotti
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Molding apparatus with positive collapse core
Patent number
4,456,214
Issue date
Jun 26, 1984
Roehr Tool Corporation
Wilf Ruck
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL