September 1929 Electrical and scientific apparatus Trademarks by day
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Electrical and scientific apparatus Trademarks filed in September 1929
AQUALUX

AQUALUX

Filed: September 23, 1929
UNDERWATER ELECTRIC-LIGHTING-FIXTURE UNITS
Owned by: WESTINGHOUSE ELECTRIC & MANUFACTURINGCO. and WESTINGHOUSE ELECTRIC & MANUFACTURINGCO.
Serial Number: 71290161

"XYLOTONE"

Filed: September 19, 1929
APPARATUS AND EQUIPMENT FOR USE IN PAGING SERVICE, SUCH APPARATUS AND EQUIPMENT CONSISTING OF ELECTRICALLY-OPERATED CODE…
Owned by: Autocall Company, The
Serial Number: 71289958

THORDARSON

THORDARSON

Filed: September 12, 1929
ELECTRICAL APPARATUS-NAMELY, COILS, CONDENSERS, INDUCTANCES, TRANSFORMERS, CHOKE COILS, AND FIELD WINDINGS
Owned by: THORDARSON INC.
Serial Number: 71289696

PRATT & WHITNEY DEPENDABLE ENGINES

PRATT & WHITNEY DEPENDABLE ENGINES

Filed: September 10, 1929
[ INTERNAL-COMBUSTION ] * GAS TURBINE * ENGINES FOR AIRCRAFT AND THEIR PARTS
Owned by: RTX CORPORATION
Serial Number: 71289592