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Charles R. McKean
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Mount Vernon, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Increased and variable force and multi-speed clamps
Patent number
9,522,456
Issue date
Dec 20, 2016
Irwin Industrial Tool Company
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Increased and variable force and multi-speed clamps
Patent number
8,702,076
Issue date
Apr 22, 2014
Irwin Industrial Tool Company, Inc.
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Increased and variable force and multi-speed clamps
Patent number
8,074,340
Issue date
Dec 13, 2011
Irwin Industrial Tool Company
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Increased and variable force and multi-speed clamps
Patent number
7,815,175
Issue date
Oct 19, 2010
Irwin Industrial Tool Company
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Increased and variable force and multi-speed clamps
Patent number
7,699,297
Issue date
Apr 20, 2010
Irwin Industrial Tool Company
Chris W. Cicenas
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
INCREASED AND VARIABLE FORCE AND MULTI-SPEED CLAMPS
Publication number
20140182116
Publication date
Jul 3, 2014
IRWIN INDUSTRIAL TOOL COMPANY, INC.
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
INCREASED AND VARIABLE FORCE AND MULTI-SPEED CLAMPS
Publication number
20110316210
Publication date
Dec 29, 2011
IRWIN INDUSTRIAL TOOL COMPANY, INC.
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
INCREASED AND VARIABLE FORCE AND MULTI-SPEED CLAMPS
Publication number
20100156013
Publication date
Jun 24, 2010
IRWIN INDUSTRIAL TOOL COMPANY, INC.
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Increased and Variable Force and Multi-Speed Clamps
Publication number
20080106016
Publication date
May 8, 2008
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Increased and variable force and multi-speed clamps
Publication number
20050082728
Publication date
Apr 21, 2005
Chris W. Cicenas
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS