Patents Assigned to Truman's Inc., Ohio Corporation
  • Sandblasting valving device
    Patent number: 4947589
    Abstract: An improvement in a valving device used to dispense and control a high velocity stream of abrasive granular material intrained in a fluid stream. The valving device defines a gun configuration having a handle trigger and a movable valve element pivotally mounted to the trigger and a nozzle. The valve element is a resilient member that is advanced into sealing relation with the nozzle.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: August 14, 1990
    Assignee: Truman's Inc., Ohio Corporation
    Inventor: Fred Zwicker