Patents by Inventor George Trongo

George Trongo 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).

  • Bit driving tool for use in barriers separating different environments
    Patent number: 4106373
    Abstract: A bit driving tool useful for adjusting obstructed or inaccessible bolts, screws or nuts. The tool is placed in a broach hole formed through a barrier or obstruction and a set of sleeves coaxially surrounding a tool shaft both aligns the tool bit with the screw or nut and seals the broach hole against leakage.
    Type: Grant
    Filed: June 15, 1977
    Date of Patent: August 15, 1978
    Inventor: George Trongo