Patents by Inventor Matthew Hans Callender

Matthew Hans Callender 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).

  • Electric vehicle supply equipment
    Patent number: D654859
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: February 28, 2012
    Assignee: AeroVironment, Inc.
    Inventor: Matthew Hans Callender
  • Electric vehicle supply equipment
    Patent number: D664085
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: July 24, 2012
    Assignee: AeroVironment, Inc.
    Inventor: Matthew Hans Callender