Patents by Inventor Gavin Kerr Doyle

Gavin Kerr Doyle 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: 6694561
    Abstract: A sweeping device (1) having an actuating means (6), including a surface contacting means (2), a handle (3) connected to the surface contacting means and a friction reducing means (4, 7), in which the friction reducing means is adapted to enable the lifting of the surface contacting means of the sweeping device from the surface being swept or scraped upon user actuation of the actuating means (6).
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: February 24, 2004
    Inventors: Bruce Harrison, Gavin Kerr Doyle