For the Inventor, By the Inventor

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Gevelsberg, Germany

Intertractor Zweigniederlassung Der Wirtgen Gmbh

USPTO Granted Patents = 3

Forward Citations = 44

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6 inventors (with patents filed for the assignee):

Michael Ketting (3 out of 16 patents)

Christoph Pietzsch (1 out of 3 patents)

Volker Wottawah (1 out of 1 patent)

4. Frank Frohner (1 out of 2 patents)

5. Piotr Dudzinski (1 out of 2 patents)

6. Radoslaw Cieslak (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. RE37254 - Track link for tracked crawlers (2001-07-03),

2. 6142588 - Drive chain for tracked vehicle (2000-11-07),

3. 6062327 - Tracked-vehicle drive (2000-05-16),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#7 in Gevelsberg

#8,262 in Germany

Gevelsberg, Germany

Intertractor Zweigniederlassung Der Wirtgen Gmbh

Forward Citations = 44

6 inventors:

Michael Ketting (3 out of 16 patents)

Christoph Pietzsch (1 out of 3 patents)

Volker Wottawah (1 out of 1 patent)

4. Frank Frohner (1 out of 2 patents)

5. Piotr Dudzinski (1 out of 2 patents)

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