Patents Assigned to Geor-Gina Fume Protection Devices Inc.
  • Fume protection device
    Patent number: 4905684
    Abstract: A fume protection device which allows a person within a room of a smoke filled building to breathe air from outside the building is disclosed.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: March 6, 1990
    Assignee: Geor-Gina Fume Protection Devices Inc.
    Inventor: George R. Heffer