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Robert J. Tewksbury
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Seneca Falls, NY, US
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Patents Grants
last 30 patents
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Patent Grant
Gusseter board with retractable nose
Patent number
9,044,896
Issue date
Jun 2, 2015
Pearl Technologies, Inc.
Robert J. Tewksbury
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pivot punch
Patent number
7,779,738
Issue date
Aug 24, 2010
Pearl Technologies Incorporated
Earl T. Pottorff
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Tool-less rotary vacuum wicketter assembly
Patent number
7,624,980
Issue date
Dec 1, 2009
Pearl Technologies Incorporated
Robert J. Tewksbury
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
Gusseter Board with Retractable Nose
Publication number
20140120201
Publication date
May 1, 2014
Pearl Technologies, Inc.
Robert J. Tewksbury
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Pivot Punch
Publication number
20090165620
Publication date
Jul 2, 2009
Pearl Technologies, Inc.
Earl T. Pottorff
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Tool-less Rotary Vacuum Wicketter Assembly
Publication number
20090016856
Publication date
Jan 15, 2009
Pearl Technologies, Inc.
Robert J. Tewksbury
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD