March 1930 Environmental control apparatus Trademarks by day
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Environmental control apparatus Trademarks filed in March 1930
VALLEZ ROTARY FILTER
Filed: March 28, 1930
FILTERS
Owned by: GOSLIN-BIRMINGHAM MANUFACTURING CO.,INC.
Serial Number: 71298023
THE MASTER FURNACE MAN ELECTROL QUIET ALL ELECTRIC OIL BURNER
Filed: March 13, 1930
DOMESTIC OIL BURNERS
Owned by: ELECTROL INCORPORATED
Serial Number: 71297248
FW
Filed: March 7, 1930
[ PLATE AIR HEATERS, ] CONDENSERS, ECONOMIZERS, EVAPORATORS, FEED WATER HEATERS, COUNTERFLOW TUBULAR HEAT EXCHANGERS, PULVERIZED…
Owned by: FOSTER WHEELER ENERGY CORPORATION
Serial Number: 71296963
