Patents by Inventor Enrico Chiozza

Enrico Chiozza 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).

  • Intrauterine contraceptive device
    Patent number: 4553536
    Abstract: An intrauterine contraceptive device comprising two curved arms, lying on offset planes, having one end integral to a sleeve and the other end free, and a post, engaged in a not removable way with the sleeve, made of plastic material incorporating micronized copper powder. The particular configuration of the device hinders the ejection of the device due to womb shrinking forces (FIG. 1).
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: November 19, 1985
    Assignee: Uniderm Farmaceutici s.n.c.
    Inventor: Enrico Chiozza