Patents Represented by Law Firm Thompson, Frank J.
  • Arrangement for releasing a fire curtain in a theater
    Patent number: 4404768
    Abstract: An improved arrangement for releasing a theatrical fire curtain is described having a mechanical coupling including a gear means which is automatically disengaged upon the occurrence of combustion to enable a fire curtain to descend and cover a proscenium opening.
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: September 20, 1983
    Inventor: Nicholas G. Cristy