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Derek Williams
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Santa Cruz, CA, US
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last 30 patents
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Patent Grant
Air purge collar
Patent number
8,931,908
Issue date
Jan 13, 2015
Fluke Corporation
Derek Williams
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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last 30 patents
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Patent Application
AIR PURGE COLLAR
Publication number
20100024887
Publication date
Feb 4, 2010
Derek Williams
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL