Patents Assigned to United Production Services, Inc.
  • Free-standing assembly and method for making same
    Patent number: 4783934
    Abstract: A roof assembly exemplarily for use in outdoor theatrical and musical productions comprises a roof trusswork elevated by means of a plurality of telescoping legs. The legs are raised in unison so that the roof trusswork maintains the same orientation throughout a raising or lowering operation. A clamping or locking mechanism is provided for rigidifying the entire structure upon the raising thereof.
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: November 15, 1988
    Assignee: United Production Services, Inc.
    Inventors: Chris Langhart, Michael H. Brown