Patents Assigned to U.S. Oil Company, Incorporated
  • Soil sample procuring tool and associated method of testing the soil sample
    Patent number: 6098724
    Abstract: A tool for withdrawing a soil sample comprising a frame member including a portion including spaced vertically extending legs having lower ends, a foot portion fixed to the lower ends of the legs and including a horizontally extending slot defined by a vertically extending wall including a horizontally extending groove, and an abutment surface extending horizontally and located between the legs in upwardly spaced relation from the foot portion.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: August 8, 2000
    Assignee: U.S. Oil Company, Incorporated
    Inventor: Michael J. Ricker