Patents by Inventor Richard A. Charlson

Richard A. Charlson 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: 4019710
    Abstract: An instrument support leveling socket having relatively adjustable parts with interfitting spherical sectioned surfaces in which one of the surfaces is defined by a plurality of spaced feet so that the surface is sectioned and separated by substantial clearance spaces. A locking knob threaded into one of the parts and sandwiching the other selectively clamps the surfaces together against relative movement.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: April 26, 1977
    Assignee: Chadwell O'Connor
    Inventors: Chadwell O'Connor, Richard A. Charlson