Patents by Inventor William A. Prickril

William A. Prickril 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).

  • Hot melt protective wax coating
    Patent number: 4022729
    Abstract: A composition comprising a hydrocarbon wax having about 10-40% by weight of oil, an ethylene/propylene/non-conjugated polyene terpolymer having a combined ethylene content of about 30-85% by weight and an iodine number of about 5-15, and said terpolymer constitutes from about 6% by weight to about 30% by weight of said composition.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: May 10, 1977
    Assignee: Cities Service Company
    Inventor: William A. Prickril