Patents Assigned to Johnson Research & Development Corp, Inc.
  • Vacuum actuated replenishing water gun
    Patent number: 5779100
    Abstract: A water gun (10) is provided having a storage tank (18), a pressure tank (19), and a pump (32) for conveying liquid from the storage tank to the pressure tank. The conveyance of liquid from the storage tank creates a vacuum which is controller through a control valve (43) to refill the storage tank with water in an efficient manner.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: July 14, 1998
    Assignee: Johnson Research & Development Corp, Inc.
    Inventor: Lonnie G. Johnson