PRENTICE SERVICES LTD. Trademarks
CRIBLOCK
Filed: December 8, 1980
Interlocking Reinforced Concrete Components for Building Retaining Walls in an Open Grid Pattern that Permits Planting in…
Owned by: PRENTICE SERVICES LTD.
Serial Number: 73288837
AMASTONE
Filed: February 8, 1990
hollow, triangular-shaped masonry blocks for building retaining walls and steps
Owned by: PRENTICE SERVICES LTD.
Serial Number: 74027086
