Pittsburgh, PA, United States of America

Mannesmann Demag Wean


USPTO Granted Patents = 3

Forward Citations = 17

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5 inventors (with patents filed for the assignee):

goldMedal Josef Gerretz (2 out of 10 patents)

silverMedal Klaus Rehag (2 out of 9 patents)

bronzeMedal Hans-Gunter Schiffers (1 out of 1 patent)

4 Herbert Jansen (1 out of 1 patent)

5 Richard Gerretz (1 out of 1 patent)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#340 in Pittsburgh, PA

#2,631 in Pennsylvania

#71,967 in US

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Pittsburgh, PA, United States of America
Forward Citations = 17

5 inventors:

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