US Patent D677391 Convex-concave roller

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D677391

Patent Inventor Names

William R. Bickford0

Date of Patent

March 5, 2013

Patent Application Number

29400162

Date Filed

August 24, 2011

Patent Citations Received

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US Patent D1047181 Fascia tissue treatment device with a matrix of nine treatment elements

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US Patent D993434 Skin care roller

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US Patent D1018877 Ridged roller

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US Patent D1026228 Universal handle and accessory head for fascia tissue treatments

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US Patent D987837 Facial massage tool

Patent Primary Examiner

Sandra Snapp

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