Chemicals Trademarks Filed in April 17, 1950
BAR'S LEAKS

BAR'S LEAKS

Filed: April 17, 1950
RADIATOR LEAK SEALER, RUST PREVENTATIVE, AND A RUST INHIBITOR FOR WATER COOLING SYSTEMS
Owned by: BARTON, FREDERIC D.
Serial Number: 71595819

AEA

AEA

Filed: April 17, 1950
CHEMICAL COMPOSITION USEFUL FOR INCREASING THE AIR CONTENT OF CONCRETE AND MORTAR AND FOR ENHANCING THE GRINDABILITY OF…
Owned by: W. R. GRACE & CO.-CONN.
Serial Number: 71595829