US Patent D557221 Controller for a machine

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D557221

Patent Inventor Names

Ulrich Ewringmann0

Date of Patent

December 11, 2007

Patent Application Number

29273824

Date Filed

March 14, 2007

Patent Citations Received

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US Patent D1047785 Toggle control device

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US Patent 11679044 Mobility device

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US Patent 11681293 System and method for distributed utility service execution

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US Patent 12023285 Mobility device

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US Patent 12117842 User control device for a transporter

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