Electrical and scientific apparatus Trademarks Filed in March 7, 1945
ER
Filed: March 7, 1945
ELECTRICAL RESISTORS AND ELECTRICAL CONDENSERS
Owned by: ERIE RESISTOR CORPORATION
Serial Number: 71480568
SENCO
Filed: March 7, 1945
WEIGHTED REELED TAPE FOR MEASURING THE DEPTH OF OIL
Owned by: SENCO INC.
Serial Number: 71480623
