Patents Assigned to Washington Security Products, Inc.
  • Pneumatic tube carrier
    Patent number: 4948303
    Abstract: A hinged container for use in a pneumatic tube including a primary container and a secondary container which is simultaneously opened and closed when the main container is opened and closed, the secondary container provides reinforcement for the hinge of the primary container.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: August 14, 1990
    Assignee: Washington Security Products, Inc.
    Inventor: Gregory G. Good