Patents by Inventor Dell L. Bernstein

Dell L. Bernstein 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: 4055167
    Abstract: A cannula for uterine curettement comprising a straight, rigid tube proportioned for insertion into the uterus, a flattened, closed end at the insert end of the tube and staggered openings at opposing sides of the tube adjacent to the insert end. A handle is provided at the opposite end to facilitate manipulation of the tube when it is in use and a short reach of the tube extends beyond this handle for attachment to the suction tube of an aspirator.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: October 25, 1977
    Inventor: Dell L. Bernstein