FLEX-BEAM
Filed: July 5, 1947
FERROUS METAL GUARD RAILS FOR USE IN BUILDING CONSTRUCTION
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 71527730
HUGGER
Filed: October 21, 1980
Pipe Coupling Used to Join Non-Ferrous Pipe
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 73282857
HY-FLO
Filed: October 5, 1987
METAL PIPE
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 73688309
SUPER-COR
Filed: May 28, 1993
metallic corrugated culvert and tunnel sections
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 74395844
SMOOTH CORE
Filed: December 20, 1993
plastic pipes for general use in construction
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 74472196
GATEWAY
prefabricated metal bridges
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 78492476
BRIDGE-TRAC
Prefabricated metal pedestrian and vehicular bridges including a travel surface with an anti-skid coating.
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 78508299
SITESOLUTIONS
Downloadable electronic newsletters in the field of civil engineering products
Owned by: CONTECH CONSTRUCTION PRODUCTS, INC.
Serial Number: 85448780
