Patents by Inventor Gianluigi Realdon

Gianluigi Realdon 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: 5271682
    Abstract: A squeegee-type cleaning device for washing windows and other structures has a holder with a brush, a support for the holder, a wiper blade adjacent the brush and a fluid supply connected by a hose to the holder. Apertures provided along the length of the holder allow fluid to be pumped from the supply along the entire length of the brush. A manually operated pump is provided to pump this fluid. The brush is pivotable relative to the support and a telescopic pole can be provided on the support to aid in cleaning of the structure.
    Type: Grant
    Filed: December 18, 1991
    Date of Patent: December 21, 1993
    Inventor: Gianluigi Realdon