Patents by Inventor Robert E. Bonazzo

Robert E. Bonazzo 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: 4540302
    Abstract: A cap is removably secured to the upper end of a vertical hollow cylinder. The cylinder has an internal thread. A cylindrical member having a threaded outer surface is disposed inside the cylinder with the inner thread engaging the outer thread. A solid cylinder of disposable applicator material is disposed in the hollow cylinder between cap and member. A cover is rotatably secured to the lower end of the hollow cylinder and has a vertical extension extending through a central bore in the member into the solid cylinder.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: September 10, 1985
    Inventor: Robert E. Bonazzo