Elyria, Ohio
United States
4
2017-10-26
The entities that hold a legal rights for patent applications filed by inventor Coolidge Gregory T.:
Gregory T. Coolidge from Elyria, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Directional control valve
#2 | 2015-12-17Pressure limited flow spool
#3 | 2013-06-13Pressure compensated hydraulic system having differential pressure control
#4 | 2008-01-03Control valve with load sense signal conditioning
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