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James A. Henderson
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Greenfield, WI, US
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Patents Grants
last 30 patents
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Patent Grant
Power brush
Patent number
6,490,750
Issue date
Dec 10, 2002
PFERD Milwaukee Brush Company Inc.
Chih-yuan Shia
B24 - GRINDING POLISHING
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Patent Grant
Brush seal
Patent number
6,231,047
Issue date
May 15, 2001
EG&G Engineered Products
Matthew D. Cunningham
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Power brush
Publication number
20020045416
Publication date
Apr 18, 2002
Chih-yuan Shia
A46 - BRUSHWARE