Patents by Inventor Douglas MacArthur Austin

Douglas MacArthur Austin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D559664
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: January 15, 2008
    Assignee: Liberty Hardware Mfg. Corp.
    Inventors: Douglas MacArthur Austin, Earl David Forrest
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    Patent number: D560117
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: January 22, 2008
    Assignee: Liberty Hardware Mfg. Corp.
    Inventors: Douglas MacArthur Austin, Earl David Forrest