Patents by Inventor Thomas P. Grzybek

Thomas P. Grzybek 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).

  • Excess pressure vent for resealable beverage cap
    Patent number: 4991732
    Abstract: This invention relates to an improved can end construction for carbonated beverage cans having a score line defined opening panel incorporated in a selectively contoured pouring spout configuration for accommodation of an automatic pressure releasing resealing cap assembly engageable therewith.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: February 12, 1991
    Assignee: Aluminum Company of America
    Inventors: Robert L. La Barge, Thomas P. Grzybek