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Scott K. Pierson
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Mokena, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Friction shoe for freight car truck
Patent number
6,425,334
Issue date
Jul 30, 2002
AMSTED Industries Incorporated
Robert D. Wronkiewicz
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
FRICTION SHOE FOR FREIGHT CAR TRUCK
Publication number
20020073880
Publication date
Jun 20, 2002
Robert D. Wronkiewicz
B61 - RAILWAYS