Patents by Inventor Andrew H. Baren

Andrew H. Baren 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).

  • Adaptor spindle
    Patent number: 5685584
    Abstract: An adaptor spindle having a square cross-sectional center, dimensioned to fit and operate a standard European lock set, eight-sided opposed ends, formed to accept standard American door knobs and levers, and a tension pin, for centering the adaptor spindle in the lock set during assembly and for preventing tampering with the lock set.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 11, 1997
    Assignee: Katonah Architectural Hardware
    Inventors: Andrew H. Baren, Ian D. Baren