Patents by Inventor William T. Poust

William T. Poust 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: D257693
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: December 23, 1980
    Inventors: William T. Poust, Sr., William T. Poust, Jr., Michael M. Poust
  • Patent number: D377710
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: February 4, 1997
    Inventor: William T. Poust
  • Patent number: D394740
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: June 2, 1998
    Assignee: Norcross Safety Products, L.L.C.
    Inventor: William T. Poust