Nonmetallic building materials Trademarks Filed in May 17, 1971
UNITED STAIRS
Filed: May 17, 1971
WOODEN PRE-FABRICATED STAIRWAYS
Owned by: UNITED STAIRS CORPORATION
Serial Number: 72392166
PLASTIDOME P
Filed: May 17, 1971
PORTABLE BUILDINGS
Owned by: GRASIS FABRICATING CO.
Serial Number: 72392249
