Patents Assigned to Capitol Aggregates, Inc
  • Cementing compositions and method
    Patent number: 4957555
    Abstract: A cementing composition for forming a low density cement slurry comprising a hydraulic cement and shot coke.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: September 18, 1990
    Assignee: Capitol Aggregates, Inc
    Inventors: John G. Wheeler, Jose G. Garcia