Luis Miguel Porturas

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El Cajon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pocket protecting retainable cutter bit
- Patent number D601592
- Issue date Oct 6, 2009
- Richard Wayne Watson
- D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

Information Patent Application
Pocket Protecting Retainable Cutter Bit
- Publication number 20090284069
- Publication date Nov 19, 2009
- Richard Wayne Watson
- E21 - EARTH DRILLING MINING