Patents by Inventor Doug Henderson

Doug Henderson 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: 5207773
    Abstract: The present invention relates to teeth cleaning apparatus comprising a handle unit having a casing with a motor disposed therein, and at least one disposable floss applicator unit adapted to be selectively, drivably connected to the handle unit. The floss applicator unit includes a casing with a floss applicator tip, a floss tube rotatably disposed within the applicator casing and a quantity of floss provided thereon. The motor has a rotatable output shaft which projects outwardly of the handle casing and is adapted to be securely, coaxially received within one end of the floss tube when the floss applicator unit is connected to the handle unit such that the floss tube will rotate together with the output shaft when the motor is actuated.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: May 4, 1993
    Inventor: Doug Henderson
  • Patent number: 4550636
    Abstract: The present invention relates to an apparatus for the slicing of items or products such as croissants and/or sandwich buns to minimize risk of injury and to assure uniform slicing, even with variations in the dimensions of the product. The apparatus comprises a holder for the item to be sliced on a support stand having a fixed surface and a movable cover. A support member spaced between the fixed surface and movable cover supports the item in alignment with a knife or slicer guide so that a user can slice an item such as a roll or croissant uniformly without risk of injury.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: November 5, 1985
    Assignee: Ralston Purina Company
    Inventors: Marc Josselson, Doug Henderson