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Michael Barnes
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Gainesville, GA, US
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last 30 patents
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Patent Grant
Hollow metal door
Patent number
8,171,700
Issue date
May 8, 2012
Michael Barnes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
HOLLOW METAL DOOR
Publication number
20110214390
Publication date
Sep 8, 2011
Michael Barnes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...