Machinery Trademarks Filed in December 9, 1957
ROTO-SCREEN
Filed: December 9, 1957
AUTOMATIC POULTRY FEED CLEANERS
Owned by: BIG DUTCHMAN, INC.
Serial Number: 72041972
DONACLONE
Filed: December 9, 1957
AIR CLEANERS AND SEPARATORS FOR INTERNAL COMBUSTION ENGINES AND [ INDUSTRIAL GRINDING MACHINES ]
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72042002
