SEISMOGRAPH SERVICE CORPORATION Trademarks
BIRDWELL
Filed: December 28, 1956
TREATING OF WELLS-NAMELY, PERFORATING WELL BORES, AND CHEMICALLY TREATING WELL BORES
Owned by: SEISMOGRAPH SERVICE CORPORATION
Serial Number: 72021773
BIRDWELL
Filed: November 18, 1957
MAKING GEOPHYSICAL SURVEYS-NAMELY, DETERMINING AND LOGGING THE TEMPERATURE, SIZE VARIATIONS, DEVIATION, DIRECTION AND RATE…
Owned by: SEISMOGRAPH SERVICE CORPORATION
Serial Number: 72040807
