Patents by Inventor Max G. Freimark

Max G. Freimark 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).

  • Birth control device
    Patent number: 4004591
    Abstract: A prophylactic or contraceptive device made of membraneous material having a generally tubular configuration with a closed end which includes a thicker, reenforced tip. At its open end, there are two flaps extending transversely to the axis of the device with a scalloped intermediate portion. The flaps are maintained in their transverse position by reenforced or thickened edges.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: January 25, 1977
    Inventor: Max G. Freimark