Patents by Inventor Judith DiGiovanni

Judith DiGiovanni 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).

  • Cobweb vacuum cleaner
    Patent number: 4748712
    Abstract: A portable, battery operated cobweb vacuum cleaner is carried on a human's back or shoulder thereby permitting use of both hands. Extension means and other parts have an effective internal diameter whereby cobwebs do not substantially adhere to internal walls. Also, the internal walls can be coated with materials which minimize the adhesion of cobwebs.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: June 7, 1988
    Inventor: Judith DiGiovanni