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GRIEFF ENTERPRISES, INC.
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Odell, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Electrical plug adapter
Patent number
7,798,838
Issue date
Sep 21, 2010
Grieff Enterprises, Inc.
Timothy B. Grieff
H01 - BASIC ELECTRIC ELEMENTS
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Patents Applications
last 30 patents
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Patent Application
Electrical Plug Adapter
Publication number
20100035481
Publication date
Feb 11, 2010
GRIEFF ENTERPRISES, INC.
Timothy B. Grieff
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Electrical Plug Adaptor
Publication number
20090061667
Publication date
Mar 5, 2009
GRIEFF ENTERPRISES, INC.
Timothy B. Grieff
H01 - BASIC ELECTRIC ELEMENTS