Patents by Inventor Ronald Eugene Wenzel

Ronald Eugene Wenzel 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).

  • Method of printing a paper to simulate the appearance of a foamed polypropylene sheet and article produced thereby
    Patent number: 4022940
    Abstract: This invention relates to an inexpensive, printed paper sheet material which has an appearance closely simulating that of foamed polypropylene. The product is prepared by coating a paper sheet with an overall coating of a pearlescent ink and then overprinting the pearlescent coating with a dilute black ink in a fine mottled pattern.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: May 10, 1977
    Assignee: American Can Company
    Inventors: Michael Arthur Schmelzer, Ronald Eugene Wenzel, Robert John Weyenberg
  • Substantially curl-free semi-rigid support member for food packages
    Patent number: 3978260
    Abstract: A support member, for inclusion inside a film-wrapped package of moist and greasy food, comprising a semi-rigid thermoplastic core member printed on both sides with opaque ink distributed in substantially equal amounts on the two sides of the core and having a transparent protective overcoating of a polyolefinic resin or a varnish superposed on the printed core layer.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: August 31, 1976
    Assignee: American Can Company
    Inventors: Thomas Edward Dobbins, William Duane Hanson, Ronald Eugene Wenzel