Nonmetallic building materials Trademarks Filed in March 20, 1990
CURTAINWALL
Filed: March 20, 1990
prefabricated non-load-bearing
Owned by: Winter Panel Corporation
Serial Number: 74040485
STRUCTUREWALL
Filed: March 20, 1990
prefabricated structural building panels
Owned by: Winter Panel Corporation
Serial Number: 74040486