Patents by Inventor Luke E. Lewis

Luke E. Lewis 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).

  • Safety knob
    Patent number: 5771878
    Abstract: A knob for a stove or range that has a releasable lock assembly which prevents a switch or valve of the range from being turned ON. The lock assembly has a pin movable between a lock position and a release position with a linear to rotational movement mechanism mounted in a housing joined to the body of the knob.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: June 30, 1998
    Inventors: Luke E. Lewis, Christopher E. Lewis
  • Safety knob
    Patent number: D378045
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: February 18, 1997
    Inventors: Luke E. Lewis, Christopher E. Lewis