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US Patent D544650 Protective ear cup

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D5446500

Patent Inventor Names

Roland Westerdal0

Date of Patent

June 12, 2007

Patent Application Number

292369770

Date Filed

August 23, 2005

Patent Citations Received

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US Patent D991903 Headphones

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US Patent D991904 Headphones

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US Patent D1017575 Earcup for headphones

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US Patent D991214 Headphone ear cushion attachment mechanism

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US Patent D1033751 Ear protector

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US Patent 11974090 Headphone ear cushion attachment mechanism and methods for using

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US Patent D1019600 Headphone

Patent Primary Examiner

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Ruth McInroy

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