Electro-Flow Controls, Inc. Trademarks
EFC
Filed: May 27, 1983
Drilling Surveillance Instruments-Namely, Flow Circulation Monitors, Pit Level Indicators, Pump Stroke Counters, Drilling…
Owned by: Electro-Flow Controls, Inc.
Serial Number: 73427932
ELECTRO-FLOW CONTROLS
Filed: May 27, 1983
DRILLING SURVEILLANCE INSTRUMENTS, NAMELY, FLOW CIRCULATION MONITORS, PIT LEVEL INDICATORS, PUMP STROKE COUNTERS, DRILLING…
Owned by: Electro-Flow Controls, Inc.
Serial Number: 73427934
