Holeplug Trademarks

HOLEPLUG
BENTONITES FOR SEALING AND PLUGGING EARTH BOREHOLES
Registered  ·  March 27, 1986  ·  73590275  · 
holeplug
HOLEPLUG
COLLOIDAL CLAYS, ESPECIALLY BENTONITE
Abandoned  ·  November 23, 1984  ·  73510340  ·