Harold W. Williams

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Ault, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Combined butterfly/ball valve
- Patent number 9,574,499
- Issue date Feb 21, 2017
- Woodward, Inc.
- Shawn J. Pollock
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
COMBINED BUTTERFLY/BALL VALVE
- Publication number 20160333795
- Publication date Nov 17, 2016
- WOODWARD, INC.
- Shawn J. Pollock
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS