David W. Haselden, JR.

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Canon, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Control valve system with cycle monitoring, diagnostics and degrada...
- Patent number 8,271,141
- Issue date Sep 18, 2012
- Ross Operating Valve Company
- Eric O. Cummings
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Control Valve System with Cycle Monitoring, Diagnostics and Degrada...
- Publication number 20090306830
- Publication date Dec 10, 2009
- ROSS OPERATING VALVE COMPANY
- Eric O. Cummings
- G05 - CONTROLLING REGULATING