WEBER COSTELLO CO. Trademarks
STERLING
Filed: August 28, 1947
WRITING BOARDS ALSO KNOWN AS BLACKBOARDS
Owned by: WEBER COSTELLO CO.
Serial Number: 71532777
HYLOPLATE
Filed: August 28, 1947
WRITING BOARDS, ALSO KNOWN AS BLACKBOARDS
Owned by: WEBER COSTELLO CO.
Serial Number: 71532785
LITESITE
Filed: December 7, 1948
WRITING BOARDS, ALSO KNOWN AS BLACKBOARDS
Owned by: WEBER COSTELLO CO.
Serial Number: 71570137
