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Thomas J. Hajek, Sr.
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Lockport, IL, US
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last 30 patents
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Patent Grant
Hydraulic circuit having pressure equalization during regeneration
Patent number
6,955,115
Issue date
Oct 18, 2005
Caterpillar Inc.
Michael A. A'Hearn
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL