December 1931 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in December 1931
VELOX
Filed: December 2, 1931
STEAM GENERATORS AND ACCESSORIES-NAMELY, WATER SEPARATORS, HIGH-PRESSURE FIRE BOXES MADE OF TUBES, SUPERHEATERS, AND PREHEATERS…
Owned by: BROWN, BOVERI & CIE.
Serial Number: 71321704
