Patents by Inventor David D. Noggle

David D. Noggle 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: 6249930
    Abstract: A dust pan for collecting a mixture of materials, including liquids, from a flat or contoured surface. This improved dust pan has a flexibly movable bottom wall that conforms to the floor contour and means to reduce liquid spill over.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: June 26, 2001
    Inventor: David D. Noggle