Patents by Inventor Lloyd S. Curtis

Lloyd S. Curtis 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).

  • Gearbox
    Patent number: 5505101
    Abstract: The present invention relates to an improved gearbox having both a symmetrical housing and straddle-mounted bearings, to provide a gearbox which is both versatile and moderate in cost.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: April 9, 1996
    Assignee: Lloyd S. Curtis
    Inventor: Lloyd S. Curtis
  • Gear box
    Patent number: D356094
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: March 7, 1995
    Inventor: Lloyd S. Curtis