Patents by Inventor Ronald B. Roberts

Ronald B. Roberts 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).

  • Liquid analyzer
    Patent number: 4594905
    Abstract: An improved liquid analyzer apparatus (10) comprising an elongated tubular unit (11); a closure unit (12); a closure actuator unit (13); a guiding unit (14); travel limit means (15); and a temperature indicating unit (16); wherein by use of the analyzer (10), both the content and condition of fuel (101) within a fuel storage container (100) can be determined.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: June 17, 1986
    Inventor: Ronald B. Roberts
  • Cage novelty
    Patent number: D258053
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: January 27, 1981
    Assignee: Max E. Smith, Sr.
    Inventor: Ronald B. Roberts