Machinery Trademarks Filed in September 25, 1947
AETNA
Filed: September 25, 1947
BALL BEARINGS AND ROLLER BEARINGS
Owned by: AETNA BEARING COMPANY
Serial Number: 71535670
DEVIL DOG
Filed: September 25, 1947
SPROCKET DRIVE CHAINS, FOR POWER TRANSMISSION
Owned by: JEFFREY CHAIN CORPORATION
Serial Number: 71535711
