Environmental control apparatus Trademarks Filed in December 5, 1923
FIXED FOCUS
Filed: December 5, 1923
ELECTRICAL INCANDESCENT LAMPS
Owned by: MINIATURE INCANDESCENT LAMP CORPORATION
Serial Number: 71189260
SPRACO
Filed: December 5, 1923
AIR WASHING AND COOLING EQUIPMENT
Owned by: SPRAY ENGINEERING COMPANY
Serial Number: 71189279
SPRACO
Filed: December 5, 1923
WATERCOOLING SYSTEMS
Owned by: SPRAY ENGINEERING COMPANY
Serial Number: 71189280
