Donaldson Company, Inc. Trademarks
DURALIFE

DURALIFE

Filed: April 2, 1956
AIR FILTERS
Owned by: Donaldson Company, Inc.
Serial Number: 72005604

SILENT PARTNERS

SILENT PARTNERS

Filed: March 9, 1972
AIR CLEANERS FOR COMBUSTION ENGINES
Owned by: Donaldson Company, Inc.
Serial Number: 72417848

KITTELL

KITTELL

Owned by: Donaldson Company, Inc.
Serial Number: 81026543