Patents by Inventor Louis D. Knooihuizen

Louis D. Knooihuizen 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: 5499474
    Abstract: An applicator assembly for the controlled application of fluid to a surface is disclosed. The applicator assembly includes a bottle, a pump trigger mechanism, a hand-held applicator and a solution conduit extending between the hand-held applicator and the trigger mechanism. The applicator includes a pair of opposed pads which receive fluid from the bottle through the conduit and a clamping projection for controlling the flow of fluid through the conduit into the applicator pad.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: March 19, 1996
    Inventor: Louis D. Knooihuizen