Chemicals Trademarks Filed in July 27, 1939
DUR-NATUS
Filed: July 27, 1939
WOOD PULP
Owned by: BROWN COMPANY, PORTLAND
Serial Number: 71421993
DUR-SYLVAN
Filed: July 27, 1939
WOOD PULP
Owned by: BROWN COMPANY
Serial Number: 71421994
