Patents by Inventor William Peter Schwabacher

William Peter Schwabacher 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).

  • Self-centering rotatable closure retainer
    Patent number: 4116353
    Abstract: A self-centering rotatable closure retainer adapted for use with a conventional cylindrical primary container cap is disclosed. The retainer comprises a support to which three or more radially inwardly projecting flexible ribs are attached so that they tangentially engage the outer wall of the cap frictionally securing the retainer to the cap. The self-centering closure retainer can be readily rotated about and removed from the primary cap without disturbing the cap.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: September 26, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventor: William Peter Schwabacher