Electrical and scientific apparatus Trademarks Filed in May 28, 1954
NIAGARA
Filed: May 28, 1954
ELECTRICAL TRANSFORMERS
Owned by: NIAGARA POWER TRANSFORMER CORP.
Serial Number: 71667303
LIBRASCOPE
Filed: May 28, 1954
MAGNETIC AMPLIFIERS AND POTENTIOMETERS ESPECIALLY CONSTRUCTED FOR USE IN ELECTRICAL SYSTEMS AS PRECISION VOLTAGE DIVIDERS…
Owned by: LIBRASCOPE, INCORPORATED
Serial Number: 71667316
