E-CON
Filed: June 22, 1987
METAL PIPE CONNECTORS; NAMELY, FLANGES
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 73667820
R-CON
Filed: August 15, 1988
METAL PIPE FITTINGS FOR ALL APPLICATIONS OTHER THAN NUCLEAR APPLICATIONS; NAMELY, CLAMP CONNECTORS FOR CONNECTING PIPE END…
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 73745913
R-CON
Filed: August 27, 1992
metal pipe fittings; namely, clamp connectors for connecting pipe end-to-end
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 74309249
C-CON
Filed: July 20, 1993
collar-type metal seal connectors
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 74415147
V-CON
Filed: July 20, 1993
metal check valves
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 74415148
G-CON
Filed: July 20, 1993
metal pipe fittings; namely, clamp-type connectors for connecting pipe end-to-end
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 74415149
A-CON
Filed: February 27, 1995
metal seal ball-type misaligning joints
Owned by: GRAYLOC PRODUCTS, L.L.C.
Serial Number: 74638581
