Patents by Inventor Rocco David Walker

Rocco David Walker 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).

  • Anti-missiling bottle closure
    Patent number: 4007851
    Abstract: Pressure relief openings are provided in roll-on (twist-off) closures for beverage bottles to release gas pressure within the closure promptly as the closure is turned to remove it and before missiling of the closure can occur.
    Type: Grant
    Filed: May 9, 1975
    Date of Patent: February 15, 1977
    Assignee: Zapata Industries, Inc.
    Inventor: Rocco David Walker