PORT HURON SULPHITE & PAPER CO. Trademarks
SILVERWING
Filed: August 19, 1947
BOND, LEDGER, PRINTING AND WRITING, ENVELOPE AND SAFETY PAPERS
Owned by: PORT HURON SULPHITE & PAPER CO.
Serial Number: 71531837
MAGNE-SCAN
Filed: August 28, 1963
MAGNETIC CARBON PAPER
Owned by: PORT HURON SULPHITE & PAPER CO.
Serial Number: 72175938
