Patents by Inventor Robert W. Nicks

Robert W. Nicks 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).

  • Smoke filtering ashtrays
    Patent number: 4161181
    Abstract: An ashtray open at the top for supporting burning cigarettes and collecting cigarette butts is mounted over a small battery driven DC motor which drives a closed face centrifical fan which, when activated, draws air and smoke through a replaceable cartridge filter element mounted between the fan and ashtray, expelling cleansed air at the bottom.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: July 17, 1979
    Inventors: Robert W. Nicks, Larry King
  • No-line tennis court
    Patent number: 4045022
    Abstract: A tennis court wherein the different playing zones thereof defined by the rules of tennis are distinguished by color, as opposed to the conventional use of white stripes to define zone boundaries.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: August 30, 1977
    Inventors: Geoffrey F. Grant, Robert W. Nicks