Nonmetallic building materials Trademarks Filed in August 3, 1956
ROTO-MATIC
Filed: August 3, 1956
AUTOMATIC BALANCED DOORS
Owned by: ROTO}SWING, INC.
Serial Number: 72013385
ROTO-SWING
Filed: August 3, 1956
BALANCED DOORS
Owned by: EFCO CORPORATION
Serial Number: 72013386
