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William T. Ries
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Brookfield, WI, US
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last 30 patents
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Patent Grant
Hoist and drag system for mining
Patent number
8,272,151
Issue date
Sep 25, 2012
Caterpillar Global Mining LLC
William Ries
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
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Patent Application
HOIST AND DRAG SYSTEM FOR MINING
Publication number
20110296721
Publication date
Dec 8, 2011
Bucyrus International, Inc.
William Ries
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Boom suspension assembly
Publication number
20020069562
Publication date
Jun 13, 2002
Robert F. Brown
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING