Environmental control apparatus Trademarks Filed in August 29, 1960
LOKTFIN
Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103538
LOKTFIN
Filed: August 29, 1960
FINNED TUBING
Owned by: CALUMET & HECLA, INC.
Serial Number: 72103539
MICROGLAS
Filed: August 29, 1960
FILTER LINERS FOR EVAPORATIVE COOLERS
Owned by: MCGRAW-EDISON COMPANY
Serial Number: 72103582