For the Inventor, By the Inventor

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Grossenluder, Germany

Harth & Seifert Gmbh

USPTO Granted Patents = 1

Forward Citations = 5

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2 inventors (with patents filed for the assignee):

Farid Rizk (1 out of 4 patents)

Roland Schafer (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 4878758 - Process for mixing bulk materials (1989-11-07),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#1 in Grossenluder

#15,119 in Germany

Grossenluder, Germany

Harth & Seifert Gmbh

Forward Citations = 5

2 inventors:

Farid Rizk (1 out of 4 patents)

Roland Schafer (1 out of 1 patent)

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