April 1947 Environmental control apparatus Trademarks by day
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30
Environmental control apparatus Trademarks filed in April 1947

"MIDGET" LOUVER

Filed: April 18, 1947
VENTILATING LOUVERS FOR USE ON BUILDINGS
Owned by: MIDGET LOUVER COMPANY
Serial Number: 71520972

POW-R-MATIC

POW-R-MATIC

Filed: April 14, 1947
OIL BURNERS FOR DOMESTIC AND INDUSTRIAL USE
Owned by: STAMM INTERNATIONAL CORPORATION
Serial Number: 71520633

SPHEROLITE

SPHEROLITE

Filed: April 7, 1947
ELECTRIC LIGHTING LUMINAIRES
Owned by: MCGRAW ELECTRIC COMPANY
Serial Number: 71520286

HONAN CRANE

HONAN CRANE

Filed: April 4, 1947
PURIFIER MACHINE COMPRISED OF A PUMP, MOTOR, AND TANK CONNECTED THEREWITH, WITH FILTERS, DESIGNED FOR THE REMOVAL OF IMPURITIES…
Owned by: HONAN-CRANE CORPORATION
Serial Number: 71520166