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For the Inventor, By the Inventor

Hartland, WI, United States of America

Hydraulic Industries, Inc.


USPTO Granted Patents = 2

Forward Citations = 19

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1 inventor (with patents filed for the assignee):

goldMedal Francis H Tennis (2 out of 4 patents)


2 patents:

1. 3989062 - Source fluid supply and pressure control system for hydraulic motors (1976-11-02),
2. 3934742 - Valve mechanism for automatic control of a number of fluid motors (1976-01-27),
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USPTO Data Jan 1 1976 - Jan 6 2026

2 Patents

#17 in Hartland, WI

#1,871 in Wisconsin

#92,695 in US

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Hartland, WI, United States of America

Hydraulic Industries, Inc.

Forward Citations = 19

1 inventor:

goldMedal Francis H Tennis (2 out of 4 patents)

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