Donald George McEdwards

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Willits, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable, surface-mounted well pump
- Patent number 7,069,986
- Issue date Jul 4, 2006
- Donald George McEdwards
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Harmonic Motion Pumping Tube
- Publication number 20080260559
- Publication date Oct 23, 2008
- Donald George McEdwards
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Portable, surface-mounted well pump
- Publication number 20050013707
- Publication date Jan 20, 2005
- Donald George McEdwards
- E21 - EARTH DRILLING MINING