September 1923 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in September 1923
PYROFAX
Filed: September 11, 1923
Self-Contained Units for Storing and Supplying Gas for Heating, Lighting, and Power Purposes, Comprising a Cabinet, Gas…
Owned by: PyroFax Gas Corporation
Serial Number: 71185651
CENCO
Filed: September 7, 1923
ELECTRIC BATTERIES, ELECTRIC MOTORS, ELECTRIC GENERATORS, ELECTRIC RHEOSTATS, ELECTRIC KNIFE SWITCHES AND POINT SWITCHES…
Owned by: CENTRAL SCIENTIFIC COMPANY
Serial Number: 71185444
