Patents by Inventor Dan L. Cooper

Dan L. Cooper 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).

  • Apparatus and method for fluid analysis
    Patent number: 5870185
    Abstract: A method and apparatus for fluid analysis includes a sensor for determining the index of refraction of a fluid. Advanced methods of fluid analysis relate index of refraction and other measured physical characteristics of the fluid.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: February 9, 1999
    Assignees: C.F.C. Technology, Inc., Univ. of Alabama at Huntsville
    Inventors: Harold J. See, Kenneth D. Turner, David B. Smith, Dan L. Cooper, Gary L. Workman, David B. Purves, G. Wayne Thompson, Robert A. Mattes, Darell E. Engelhaupt
  • Cover for a front portion of a food display case
    Patent number: D341508
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: November 23, 1993
    Assignee: The Marco Company
    Inventors: Darrell L. Cooper, Dan L. Cooper, Darrell L. Cooper, David Cooper