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For the Inventor, By the Inventor

Darmstadt, Germany

Rphm Gmbh


USPTO Granted Patents = 1

Forward Citations = 18

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1 inventor (with patents filed for the assignee):

goldMedal Horst Pennewiss (1 out of 38 patents)


1 patent:

1. 5188770 - Viscosity index improver having detergent properties (1993-02-23),
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USPTO Data Jan 1 1976 - Sep 15 2026

1 Patents

#97 in Darmstadt

#15,487 in Germany

Darmstadt, DE
Darmstadt, Germany

Rphm Gmbh

Forward Citations = 18

1 inventor:

goldMedal Horst Pennewiss (1 out of 38 patents)

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