'DEHYBOR' by U.S. BORAX INC. (Track this)
Intl: (001) Chemicals US: 006 Filing date: 21-Jun-1952 Serial number: 71631534
SUPER HYBOND by A.P. GREEN INDUSTRIES, INC. (Track this)
Intl: (019) Nonmetallic building materials US: 012 Filing date: 26-Apr-1950 Serial number: 71596339