Patents Assigned to Stemlock, Inc.
  • Waterproof device for holding explosives in a borehole and method for using the same
    Patent number: 5198613
    Abstract: This invention relates to a waterproof device for holding explosives in a borehole, a method of lining at least a portion of a borehole with an elongated, flexible, waterproof liner and a method of lining at least a portion a borehole with an elongated, flexible, waterproof liner and filling the liner with explosives.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: March 30, 1993
    Assignee: Stemlock, Inc.
    Inventor: Sanford S. Jenkins, Jr.