Patents by Inventor Randall W. Zell

Randall W. Zell 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).

  • Method and apparatus for minimizing ground water contamination at a construction site by utilizing high density population of tool cleaning stations
    Publication number: 20080022454
    Abstract: A system for minimizing storm water contamination in a residential subdivision utilizes a high population density of portable toilets and of paint—dry wall compound—concrete tool washing stations, and, utilizes paint—dry wall compound—concrete tool washing stations as ballast in combination with portable toilets to stabilize the portable toilets.
    Type: Application
    Filed: July 28, 2006
    Publication date: January 31, 2008
    Inventors: Randall W. Zell, Patrick M. Velasco, George E. Duncan, Franklin T. Huffman
  • Method of texturing drywall corner bead and wall adjacent the corner bead
    Patent number: 6427418
    Abstract: A method and apparatus for texturing a wall. The method selects a texture pattern and provides a corner bead with the selected texture. After the corner bead is mounted, the same texture pattern is formed on drywall adjacent the corner bead, after which the texture pattern on the drywall is painted along with the corner bead.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: August 6, 2002
    Inventor: Randall W. Zell