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Valerian S. Skawinski
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Elmhurst, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Friction wedge for a railroad car truck having a replaceable wear m...
Patent number
6,374,749
Issue date
Apr 23, 2002
NACO, Inc.
Scott R. Duncan
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
Friction wedge for a railroad car truck having a replaceable wear m...
Publication number
20020079279
Publication date
Jun 27, 2002
Scott R. Duncan
B61 - RAILWAYS