AIRMASTER FANS by AIRMASTER FAN COMPANY (Track this)
Intl: (011) Environmental control apparatus US: 034 Filing date: 29-Nov-1976 Serial number: 73107934
AIRMASTER by AIRMASTER FAN COMPANY (Track this)
Intl: (011) Environmental control apparatus US: 013; 021; 023; 031; 034 Filing date: 16-Jun-1969 Serial number: 72330033