SERVO DYNAMICS, INC. Trademarks
STRESSFRAC
Filed: February 26, 1981
WELL FRACTING SERVICES
Owned by: SERVO DYNAMICS, INC.
Serial Number: 73300749
SERVO-FRAC
Filed: January 30, 1984
WELL FRACTURING SERVICES
Owned by: SERVO DYNAMICS, INC.
Serial Number: 73463055
STRESSFRAC
Filed: January 18, 1985
WELL FRACTURING SERVICES
Owned by: SERVO DYNAMICS, INC.
Serial Number: 73518065
DYNAMIC GAS PULSE LOADING
Filed: February 17, 1988
WELL FRACTURING SERVICES
Owned by: SERVO DYNAMICS, INC.
Serial Number: 73711789
DGPL
Filed: August 16, 1991
oil and gas well fracturing services
Owned by: SERVO DYNAMICS, INC.
Serial Number: 74195342
