Patents by Inventor Enrico D. Bozano

Enrico D. Bozano 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: 4889115
    Abstract: The second stage of the regulator comprises a first airflow circuit, controlled by a manostat diaphragm in a conventional manner which permits the assumption of the minimum required amount of air upon each act of breathing, with a minimum effort; and a second airflow circuit combined with said first circuit, which permits to supply--in case of increased demand of air--a supplementary amount of air to meet any additional need of the user.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: December 26, 1989
    Inventor: Enrico D. Bozano