Chemstop Trademarks

CHEMSTOP
PETROLEUM BASE PENETRATING WATERPROOFING COMPOUND FOR USE ON WOOD AND MASONY SURFACES
Expired  ·  March 11, 1966  ·  72240707  · 
CHEMSTOP
WOOD AND MASONRY PENETRATING WATERPROOFING COATING USED IN THE BUILDING CONSTRUCTION TRADE
Expired  ·  March 10, 1966  ·  72240582  · 
CHEMSTOP
PETROLEUM-BASE MASONRY AND CONCRETE WATERPROOFING COMPOUND
Cancelled  ·  August 10, 1964  ·  72199534  ·