Patents by Inventor John E. Isaacs

John E. Isaacs 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).

  • Window cleaning device
    Patent number: 4742595
    Abstract: The invention relates to a window cleaning device in which a cleaning member having a squeegee and scraper arranged along opposite longitudinal edges thereof is in the form of a U-shaped channel in which the handle and a retainer for the handle are pivotally arranged and compactly positioned, when not in use, for storage in a glove compartment or map pocket of an automobile.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: May 10, 1988
    Inventor: John E. Isaacs