Electrical and scientific apparatus Trademarks Filed in May 22, 1947
ELECTROMAX
Filed: May 22, 1947
AUTOMATIC, ELECTRICALLY OPERATED CONTROLLING, INDICATING AND SIGNALLING APPARATUS FUNCTIONING RESPONSIVELY TO THE FLUCTUATIONS…
Owned by: LEEDS & NORTHRUP COMPANY
Serial Number: 71522797
ELECTROFLO
Filed: May 22, 1947
SOLENOID ACTUATED, SELF-CLOSING VALVES FOR CONTROLLING AND METERING LIQUIDS IN A PIPE LINE
Owned by: HAYS MANUFACTURING COMPANY
Serial Number: 71522812
