Patents by Inventor Jerry F. Scharf

Jerry F. Scharf 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: 4183442
    Abstract: A container closure having a tear strip opener wherein the removable panel which is defined by a primary score line includes a secondary score line and a pull tab which is secured to the removable panel at the collar portion formed by the primary and secondary score lines. The pull tab extends transversely with respect to the primary and secondary score lines and a lifting of the free end of the tab will rupture the secondary score line and initiate rupture of the primary score line and twist the collar portion to facilitate subsequent rupture of the primary score line.
    Type: Grant
    Filed: October 24, 1966
    Date of Patent: January 15, 1980
    Assignee: Crown, Cork & Seal Company, Inc.
    Inventors: Jerry F. Scharf, Vinson S. Potts