Bentonize Trademarks

BENTONIZE
Inorganic Mineral Compound for Waterproofing the External Side of Horizontal or Vertical Underground Surfaces
Cancelled  ·  November 8, 1979  ·  73238501  · 
BENTONIZE
WATER PROOFING UNDERGROUND CONSTRUCTION
Expired  ·  May 10, 1968  ·  72297822  ·