Environmental control apparatus Trademarks Filed in December 9, 1957
HTR
Filed: December 9, 1957
BURNERS FOR FURNACES
Owned by: BLOOM ENGINEERING COMPANY, INC.
Serial Number: 72041981
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
