VITABLOCS by VITA ZAHNFABRIK H. RAUTER GMBH & CO. KG (Track this)
Intl: (010) Medical Apparatus US: 026; 039; 044 Filing date: 01-Feb-1988 Serial number: 73708474
FARABLOC by Kempe-West Enterprises Ltd. (Track this)
Intl: (010) Medical Apparatus US: 042; 044 Filing date: 09-Sep-1983 Serial number: 73443124
AQUABLOC by EAGLE MATERIALS IP LLC (Track this)
Intl: (019) Nonmetallic building materials US: 012 Filing date: 25-Sep-1972 Serial number: 72436593
DURABLOCK by DWYER INSTRUMENTS, LLC (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 20-Mar-1969 Serial number: 72322219