For the Inventor, By the Inventor

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Hoffman & Co. Elektrokohle Ges. Mbh

USPTO Granted Patents = 1

Forward Citations = 1

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2 inventors (with patents filed for the assignee):

Herbert Grabner (1 out of 6 patents)

Johann Hoell (1 out of 8 patents)

1 patent: Sort by Forward Citations

1. 5630973 - Process for producing sliding bodies for electric collectors (1997-05-20),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#3 in Steeg

#1,415 in Austria

Hoffman & Co. Elektrokohle Ges. Mbh

Forward Citations = 1

2 inventors:

Herbert Grabner (1 out of 6 patents)

Johann Hoell (1 out of 8 patents)

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