Patents by Inventor Michael Matras

Michael Matras 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).

  • Telephone
    Patent number: D284468
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: July 1, 1986
    Inventor: Michael Matras