Nonmetallic building materials Trademarks Filed in August 19, 1980
RUBBAIR DOOR
Filed: August 19, 1980
Double Acting Impact Doors
Owned by: Eckel Industries, Inc.
Serial Number: 73274768
ICELIFE
Filed: August 19, 1980
Prefabricated Iceskating Rinks Made of Plastics-Namely, Polyolefins
Owned by: Ruhrchemie Aktiengesellschaft
Serial Number: 73274810
