Nonmetallic building materials Trademarks Filed in November 20, 1964
CELDEX
Filed: November 20, 1964
PRESTRESSED AND PRECAST CONCRETE PLANKS AND BEAMS
Owned by: BALTIMORE CONCRETE PLANK CORPORATION
Serial Number: 72206597
WASP
Filed: November 20, 1964
MOLDABLE REFRACTORY MATERIAL IN PLASTIC FORM USED IN FOUNDRIES, HEARTHS, OVENS, FURNACES, OIL STILLS, AND BOILERS
Owned by: Combustion Engineering, Inc.
Serial Number: 72206642
