For the Inventor, By the Inventor

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Starnberg, Germany

Grundl and Hoffmann Gmbh

USPTO Granted Patents = 2

Forward Citations = 24

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5 inventors (with patents filed for the assignee):

Bernhard Hoffmann (2 out of 42 patents)

Andreas Grundl (2 out of 25 patents)

Ullrich Masberg (1 out of 16 patents)

4. Thomas Pels (1 out of 29 patents)

5. Klaus-Peter Zeyen (1 out of 20 patents)

2 patents: Sort by Forward Citations

1. 6158405 - System for actively reducing rotational nonuniformity of a shaft, in (2000-12-12),

2. 5381330 - Half-bridge arrangement for switching electrical power (1995-01-10),

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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#16 in Starnberg

#10,500 in Germany

Starnberg, Germany

Grundl and Hoffmann Gmbh

Forward Citations = 24

5 inventors:

Bernhard Hoffmann (2 out of 42 patents)

Andreas Grundl (2 out of 25 patents)

Ullrich Masberg (1 out of 16 patents)

4. Thomas Pels (1 out of 29 patents)

5. Klaus-Peter Zeyen (1 out of 20 patents)

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