Patents by Inventor Robert C. Ball

Robert C. Ball 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).

  • Milding teat cup having extended liner-shell seal
    Patent number: 4964368
    Abstract: A teat cup assembly with a silicone liner is disclosed. The assembly provides a fluid seal for the liner at its proximal end. The flexible liner is folded around an extension bushing and centered within a milk collection funnel by spacing means to form a fluid seal.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: October 23, 1990
    Assignee: Versa Medical Technologies, Inc.
    Inventors: Robert C. Ball, Paul G. German