Patents by Inventor Ralph E. Lambrecht

Ralph E. Lambrecht 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).

  • Stern drive unit propeller trimming arrangement
    Patent number: RE28816
    Abstract: Disclosed herein is the combination of a boat hull and a stern drive unit which includes and is supported by an engine and which further includes a marine propulsion lower unit tiltable vertically and swingable horizontally independently of the engine, together with means mounting the stern drive unit on the boat hull including means for selectively vertically displacing or tilting the forward end of the engine relative to the rear of the engine.
    Type: Grant
    Filed: June 14, 1974
    Date of Patent: May 18, 1976
    Assignee: Outboard Marine Corporation
    Inventors: Ralph E. Lambrecht, Harry Najimian, Jr.