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For the Inventor, By the Inventor

DE

Dbt Deutsch Bergbau-technik Gmbh


USPTO Granted Patents = 1

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Hans-Otto Friedrichs (1 out of 4 patents)


1 patent:

1. 5961254 - Hydraulic advancing support frame (1999-10-05),
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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#719 in

#15,187 in Germany

...
DE

Dbt Deutsch Bergbau-technik Gmbh

Forward Citations = 1

1 inventor:

goldMedal Hans-Otto Friedrichs (1 out of 4 patents)

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