Patents Assigned to Pro Efx, Inc.
  • Aerosol diffusion fogger
    Patent number: 5057243
    Abstract: An aerosol diffusion fogger apparatus has an aerosol can containing about 10% by weight light white mineral oil and about 90% by weight of an isobutane and propane propellant mixture and having an aerosol valve with a vapor tap and having a fine aerosol nozzle for producing a fine, evenly dispersed and stable fog having particle sizes less than one micron for use in special effects cinematography and still photography.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: October 15, 1991
    Assignee: Pro Efx, Inc.
    Inventors: Martin J. Becker, James G. Gill