Patents by Inventor Robert S. Lint

Robert S. Lint 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).

  • Patent number: 4405164
    Abstract: A door latch assembly in which thrust roller bearings are placed between the handles and escutcheons and axially loaded to eliminate all axial play of the handles relative to the escutcheons.
    Type: Grant
    Filed: September 12, 1980
    Date of Patent: September 20, 1983
    Inventors: Christian L. Lint, Robert S. Lint
  • Patent number: 4223929
    Abstract: A door latch assembly is disclosed adapted for use with a courtesy lock mechanism which can be released in case of emergency by pushing a release stem. The latch assembly has a splined rollback operating shaft which is hollow to receive the release stem therethrough and has its splines journalled directly in the escutcheons and coupled to the handles.
    Type: Grant
    Filed: October 27, 1978
    Date of Patent: September 23, 1980
    Inventor: Robert S. Lint