Patents by Inventor Behzad D. Shroff

Behzad D. Shroff 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).

  • Intra cervical contraceptive device
    Patent number: 4146024
    Abstract: An intracervical contraceptive device comprising a tubular member open at each end and adapted to be positioned in the cervical canal and having a valve member incorporated therein which allows body fluids to pass from the uterine cavity into the vagina but not in the reverse direction.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: March 27, 1979
    Inventor: Behzad D. Shroff