Patents by Inventor Henry Walker

Henry Walker 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).

  • Carton cutter
    Patent number: D305499
    Type: Grant
    Filed: May 7, 1987
    Date of Patent: January 16, 1990
    Inventor: Henry Walker