Frank M. Howard

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Venetia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote mine seal spray nozzle assembly, system and methods of use
- Patent number 7,682,107
- Issue date Mar 23, 2010
- Howard Concrete Pumping, Inc.
- Lynn M. Crayne
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Remote mine seal spray nozzle assembly, system and methods of use
- Publication number 20070228804
- Publication date Oct 4, 2007
- Howard Concrete Pumping, Inc.
- Lynn M. Crayne
- E21 - EARTH DRILLING MINING