COMMODITY
Filed: December 5, 1929
FRICTION TAPE
Owned by: Westinghouse Electric & Manufacturing Company
Serial Number: 71293302
WESTINGHOUSE
Filed: May 18, 1932
AMMETERS, VOLT-METERS, WATTMETERS, AND INTEGRATING WATT HOUR METERS
Owned by: Westinghouse Electric & Manufacturing Company
Serial Number: 71327237
WESTINGHOUSE
Filed: May 11, 1933
PORTABLE AND SWITCHBOARD GRAPHIC AMMETERS, VOLTMETERS, WATTMETERS, POWER-FACTOR METERS, AND FREQUENCY-METERS; PORTABLE AND…
Owned by: Westinghouse Electric & Manufacturing Company
Serial Number: 71337716
THERMOGUARD
Filed: October 6, 1933
ELECTRIC MOTORS
Owned by: Westinghouse Electric & Manufacturing Company
Serial Number: 71342207
SAF-T-RAY
Filed: December 28, 1933
LIGHT SENSITIVE MEANS FOR PROTECTING PERSONS FROM POWER OPERATED DOORS WHILE PASSING THROUGH THE DOORWAYS THEREOF
Owned by: Westinghouse Electric & Manufacturing Company
Serial Number: 71345443
