Patents by Inventor Wallace R. Welter

Wallace R. Welter 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: D391220
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: February 24, 1998
    Inventor: Wallace R. Welter