Patents by Inventor Andrew M. Maxwell

Andrew M. Maxwell 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).

  • Patent number: D276322
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: November 13, 1984
    Inventors: Andrew M. Maxwell, Katherine J. Maxwell