MG COUPLING
Filed: January 28, 1969
PIPE COUPLINGS
Owned by: SHAPCO INC.
Serial Number: 72317766
DURATUFF
Filed: February 20, 1986
PLASTIC PIPE USED TO TRANSPORT FLUIDS, AIR AND SOLID MATERIALS IN INDUSTRIAL AND COMMERCIAL FACILITIES
Owned by: SHAPCO INC.
Serial Number: 73584192
DURAMINE
Filed: January 23, 1989
NONFLEXIBLE PLASTIC PIPE AND PIPING MATERIAL USED TO TRANSPORT LIQUIDS OR CHEMICALS IN THE MINING INDUSTRY
Owned by: SHAPCO INC.
Serial Number: 73776122
MINELOCK
Filed: November 9, 1990
plastic couplings and fittings for use with pipes
Owned by: SHAPCO INC.
Serial Number: 74113954
POLYTUFF
Filed: January 3, 1991
plastic pipe for transmission of fluids
Owned by: SHAPCO INC.
Serial Number: 74127651
UTILITUFF
Filed: March 4, 1992
polyethylene pipe for use in farming, mining and industrial sites
Owned by: SHAPCO INC.
Serial Number: 74252029
FOAMCORE
Filed: October 8, 1993
plastic pipe for use in draining, venting, and removing waste in commercial and residential sites
Owned by: SHAPCO INC.
Serial Number: 74445260
CELL-U-CORE
Filed: May 31, 1994
plastic pipe for use in draining, venting, and removing waste in commercial and residential sites
Owned by: SHAPCO INC.
Serial Number: 74531805
DURAGAS
Filed: June 7, 1994
polyethylene gas pressure pipes
Owned by: SHAPCO INC.
Serial Number: 74534535
DURALITE
Filed: August 26, 1994
plastic pipe used to transport fluids, air and solid materials in industrial, commercial and residential sites
Owned by: SHAPCO INC.
Serial Number: 74566399
MG COUPLING
Pipe Couplings
Owned by: SHAPCO INC.
Serial Number: 76702049