Patents by Inventor Leo A. Norton

Leo A. Norton 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).

  • Scrub crusher
    Patent number: 4389799
    Abstract: A dual winch for mounting on a tractor comprises a pair of winch drums separately connected via a clutch to a common drive shaft. Each winch drum typically incorporates a planetary gear unit. The cables on the winches are connected to a roller preferably provided with double chevron blades.
    Type: Grant
    Filed: November 9, 1979
    Date of Patent: June 28, 1983
    Assignee: Lyndale Holdings Limited
    Inventors: Leo A. Norton, Christopher W. Norton
  • Syringe holder
    Patent number: 3964139
    Abstract: A syringe holder comprising pivotally mounted clamp members, first latch means connected to each said clamp member, first biasing means urging said clamp members toward an open position, a pair of levers pivotally mounted one beside each clamp member, second latch means connected to each said lever for selectively engaging said first latch means to lock said clamp members in a closed position and second biasing means urging said levers and said second latch means associated therewith toward a latching position.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: June 22, 1976
    Assignee: Harvard Apparatus Company, Inc.
    Inventors: Aaron Joseph Kleinmann, Robert Leo Norton, Morton Irving Radis