Patents by Inventor Leonard C. Draper

Leonard C. Draper 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: 4275940
    Abstract: An improved utility cabinet for dentists is disclosed. The top of the cabinet is movable to a closed position and a functional position, and an adjustable, spring-urged bolt is engageable with different escutcheon plates to latch the top in each position. A waste receptacle is attachable to the side of the cabinet by a hook and teazle material for simplicity in releasably attaching the receptacle to the cabinet. An optional arm rest is arranged so bracket arms spring inwardly against collars to retard pivotal motion of the arm rest.
    Type: Grant
    Filed: July 12, 1979
    Date of Patent: June 30, 1981
    Inventor: Leonard C. Draper