September 1937 Environmental control apparatus Trademarks by day
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
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| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 |
Environmental control apparatus Trademarks filed in September 1937
NADUSTCO
Filed: September 24, 1937
AIR DUCTS, VENTILATING, EXHAUST AND DRAFT FANS, FLUES, CONDENSERS, AND SHEET METAL PRODUCTS-NAMELY, PIPES, HOODS, AND VALVES…
Owned by: NADUSTCO, INC.
Serial Number: 71397764
STONE STEEL
Filed: September 22, 1937
HOT WATER TANKS AND RANGE BOILERS
Owned by: CEMLINE CORPORATION
Serial Number: 71397644
