John T. O'Keefe

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Woodstock, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-purpose plumbing and measuring apparatus
- Patent number 6,237,237
- Issue date May 29, 2001
- James M. McKenna
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MULTI-PURPOSE PLUMBING, MEASURING, LEVELING AND SECURING APPARATUS
- Publication number 20090106993
- Publication date Apr 30, 2009
- James M. McKenna
- G01 - MEASURING TESTING