For the Inventor, By the Inventor

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Schwerte, Germany

Walter Hundhausen Gmbh & Co. Kg

USPTO Granted Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Manfred Menzinger (1 out of 2 patents)

Reinhard Opitz (1 out of 1 patent)

Joachim Von Hirsch (1 out of 1 patent)

4. Heinrich Gruenauer (1 out of 1 patent)

5. Wolfgang Farrenkopf (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 4793542 - Process for welding cast iron (1988-12-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#5 in Schwerte

#15,158 in Germany

Schwerte, Germany

Walter Hundhausen Gmbh & Co. Kg

Forward Citations = 0

5 inventors:

Manfred Menzinger (1 out of 2 patents)

Reinhard Opitz (1 out of 1 patent)

Joachim Von Hirsch (1 out of 1 patent)

4. Heinrich Gruenauer (1 out of 1 patent)

5. Wolfgang Farrenkopf (1 out of 1 patent)

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