Patents by Inventor Cynthia L. Sedlacek

Cynthia L. Sedlacek 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).

  • Adjustable diaphragm
    Patent number: 4261352
    Abstract: An adjustable contraceptive diaphragm includes a sheath having a rim surrounding a telescoping resilient ring. An outer ring member of generally U-shaped cross-section surrounds the rim of the sheath, and clamps against opposite sides of the sheath, and one end of the outer ring member telescopes into the other end and can be fastened at selected discrete telescoped positions.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: April 14, 1981
    Inventor: Cynthia L. Sedlacek