Patents by Inventor Peter E. Langdell

Peter E. Langdell 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).

  • Mandolin
    Patent number: D383481
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: September 9, 1997
    Inventor: Peter E. Langdell