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For the Inventor, By the Inventor

Marysville, OH, United States of America

Denison Hydraulics Inc.


USPTO Granted Patents = 3


Trademarks = 1

Forward Citations = 24

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5 inventors (with patents filed for the assignee):

goldMedal Larey D Schaffner (2 out of 3 patents)

silverMedal Jack W Wilcox (2 out of 3 patents)

bronzeMedal Ellis H Born (1 out of 11 patents)

4.  Lawrence R Geise (1 out of 2 patents)

5.  Michele Lee Burkhardt (1 out of 1 patent)


3 patents:

1. 5984315 - Reclamation system for a hydraulic pump system (1999-11-16),
2. 5538401 - Axial piston pump (1996-07-23),
3. 5486097 - Control for a variable displacement axial piston pump (1996-01-23),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#5 in Marysville, OH

#2,860 in Ohio

#73,766 in US

Marysville, OH (US)
Marysville, OH, United States of America

Denison Hydraulics Inc.

Forward Citations = 24

5 inventors:

goldMedal Larey D Schaffner (2 out of 3 patents)

silverMedal Jack W Wilcox (2 out of 3 patents)

bronzeMedal Ellis H Born (1 out of 11 patents)

4.  Lawrence R Geise (1 out of 2 patents)

5.  Michele Lee Burkhardt (1 out of 1 patent)

Please report any incorrect information to [email protected]
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