Patents by Inventor Daniel J. Super

Daniel J. Super 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).

  • Surface maintenance equipment
    Patent number: 4355435
    Abstract: The present invention provides surface maintenance equipment, such as for sweeping lawns, which includes mechanism for preventing clogging of ducts leading to the fan and/or the hopper.
    Type: Grant
    Filed: September 12, 1980
    Date of Patent: October 26, 1982
    Assignee: Tennant Company
    Inventors: Paul W. Kimzey, Daniel J. Super