HEPA-PLEAT II by RIELMAN, JIM (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 23-Jan-1989 Serial number: 73776170
HEPA by RIELMAN, JIM (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 10-Apr-1987 Serial number: 73654415
HEPA-GARD by RIELMAN, JIM (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 30-Jun-1986 Serial number: 73607124
HEPA-SEP by RIELMAN, JIM (Track this)
Intl: (011) Environmental control apparatus US: 031 Filing date: 28-Nov-1980 Serial number: 73287563