Patents by Inventor William D. Wangler

William D. Wangler 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: 7806612
    Abstract: The present invention may be used for applying fluids to a convex surface. A handle may be attached to a fluid dispensing assembly that may have a roller applicator assembly attached. The roller applicator assembly may have rollers rotatably disposed on a bracket with two of the rollers positioned at an oblique angle to an intermediate roller. The fluid dispensing assembly may have a body with a first fluid channel in fluid communication with a first fluid container in the handle and a second fluid channel in fluid communication with a second fluid container in the handle, and a piston in each fluid container. The first fluid channel may have an aperture adjacent a first roller and a second aperture adjacent the intermediate roller. The second fluid channel may have an aperture adjacent a second roller and a second aperture adjacent the intermediate roller.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: October 5, 2010
    Inventor: William D. Wangler