Chemicals Trademarks Filed in April 30, 1980
DOUBLE=BOND
Filed: April 30, 1980
Non-Chromated Sealing Rinse for Use in the Final Rinse Stage of Industrial Phosphatizing Operations
Owned by: CALGON CORPORATION
Serial Number: 73260364
IBM
Filed: April 30, 1980
Toner and Developer for Copying Machines and Printers
Owned by: International Business Machines Corporation
Serial Number: 73261518
