August 1931 Environmental control apparatus Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
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| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
Environmental control apparatus Trademarks filed in August 1931
COROX
Filed: August 26, 1931
ELECTRIC HEATING ELEMENTS FOR KITCHEN STOVES AND FOR BAYONET HEATERS EMPLOYED IN HEATING LIQUIDS
Owned by: WESTINGHOUSE ELECTRIC AND MANUFACTURINGCOMPANY
Serial Number: 71318471
CLIMATOR
Filed: August 24, 1931
WARM AIR HEATING AND AIR CONDITIONING SYSTEMS
Owned by: L.J. MUELLER FURNACE COMPANY
Serial Number: 71318429
DEGUSSA
Filed: August 20, 1931
ARMATURES; INSULATION MATERIALS FOR ELECTRIC WIRES, ELECTRIC FANS, ELECTRIC SIGNS, ELECTRIC BELLS, ELECTRIC LIGHTING PLANTS…
Owned by: OTIS ELEVATOR COMPANY
Serial Number: 71318234
