Patents by Inventor Marianne Cleworth

Marianne Cleworth 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: 4964472
    Abstract: A weed remover (14) for eradicating, killing, collecting and dispensing weeds without the user having to touch the soil or weeds comprises a frame (22), a handle (16), a foot bar (34), a digging blade (36), a vacuum inlet tube (40), a vacuum blower (86), an outlet hose (94), and a weed collecting housing (48) secured to frame (22). A weed disposal bag (44) is secured to the weed collecting housing (48) and tubes (40, 42) provide a track for weeds to be sucked into a disposable weed bag (44) by vacuum generated from an electric motor (28). A battery charger (100 ) is provided as well as a tank (26) for weed killer or other fluids and delivery tubing is provided (50, 58, 150) for delivering the weed killer to soil near the severed weed root.
    Type: Grant
    Filed: January 3, 1990
    Date of Patent: October 23, 1990
    Inventor: Marianne Cleworth