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For the Inventor, By the Inventor

DE

Renk Tack Gmbh


USPTO Granted Patents = 1

Forward Citations = 22

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2 inventors (with patents filed for the assignee):

goldMedal Erich John (1 out of 4 patents)

silverMedal Wilhelm Schaefer (1 out of 1 patent)


1 patent:

1. 4993848 - Thrust bearing system for counter-rotating propeller shafts, (1991-02-19),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#714 in

#15,141 in Germany

...
DE

Renk Tack Gmbh

Forward Citations = 22

2 inventors:

goldMedal Erich John (1 out of 4 patents)

silverMedal Wilhelm Schaefer (1 out of 1 patent)

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