Environmental control apparatus Trademarks Filed in February 18, 1975
'RESISTO-FLO'
Filed: February 18, 1975
ELECTRIC BOILERS (STEAM AND HOT WATER, RESISTANCE-ELEMENT TYPE)
Owned by: MARK IV TRANSPORTATION PRODUCTS CORP.
Serial Number: 73044502
ULTRA-HEAT 5000
Filed: February 18, 1975
PORTABLE HEATERS
Owned by: National Presto Industries, Inc.
Serial Number: 73044507
