Opal Manufacturing Co. Limited Trademarks
OPAL
Filed: August 24, 1981
Coin-Operated Booklet Vending Machines
Owned by: Opal Manufacturing Co. Limited
Serial Number: 73324992
OPAL
Filed: April 26, 1982
Coin Operated Vending Machines for Stamp Booklets
Owned by: Opal Manufacturing Co. Limited
Serial Number: 73361583
