Environmental control apparatus Trademarks Filed in August 29, 1960
LOKTFIN

LOKTFIN

Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103538

LOKTFIN

LOKTFIN

Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103539

MICROGLAS

MICROGLAS

Filed: August 29, 1960
FILTER LINERS FOR EVAPORATIVE COOLERS
Owned by: MCGRAW-EDISON COMPANY
Serial Number: 72103582