SWIVELBAR, INC. Trademarks
THE EFFECTIVE WEIGHT SINKERBAR SYSTEM

THE EFFECTIVE WEIGHT SINKERBAR SYSTEM

Filed: April 4, 1984
SINKERBARS, NAMELY, PIPES CONNECTED TO SINKER RODS FOR USE IN WELL PUMPING EQUIPMENT
Owned by: SWIVELBAR, INC.
Serial Number: 73473752