Charles M. O'Keefe

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Monson, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Quick change arbor, hole cutter, and method
- Patent number 8,360,696
- Issue date Jan 29, 2013
- Irwin Industrial Tool Company
- Charles M. O'Keefe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Quick change arbor, hole cutter, and method
- Patent number 8,328,476
- Issue date Dec 11, 2012
- Irwin Industrial Tool Company
- Charles M. O'Keefe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Arbor for hole cutter and related method of use
- Patent number 7,073,992
- Issue date Jul 11, 2006
- Irwin Industrial Tool Company
- William B. Korb
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
QUICK CHANGE ARBOR, HOLE CUTTER, AND METHOD
- Publication number 20090279971
- Publication date Nov 12, 2009
- Charles M. O'Keefe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Quick Change Arbor, Hole Cutter, and Method
- Publication number 20090238653
- Publication date Sep 24, 2009
- Irwin Industrial Tool Company
- Charles M. O'Keefe
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Arbor for hole cutter and related method of use
- Publication number 20050025591
- Publication date Feb 3, 2005
- William B. Korb
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR