Environmental control apparatus Trademarks Filed in October 29, 1956
KONTRO THERMALIZER
Filed: October 29, 1956
HEAT EXCHANGERS
Owned by: KONTRO COMPANY, INC., THE
Serial Number: 72018331
MASTER
Filed: October 29, 1956
PORTABLE OIL BURNING SPACE HEATERS FOR USE IN COMMERCIAL AND INDUSTRIAL APPLICATIONS
Owned by: KOEHRING COMPANY
Serial Number: 72018336
