TULSA RANGER
Filed: February 26, 2015
PROBES, NAMELY, SLENDER METAL TUBES FOR OBTAINING A SAMPLE OF OIL AND THERMOMETERS FOR ASSESSING THE TEMPERATURE OF OIL…
Owned by: W.L. Walker Co., Inc.
Serial Number: 86546631
TULSA THIEF SYSTEM
LIQUID GAUGING AND ASSESSMENT SYSTEM, NAMELY, A PROBE IN THE NATURE OF A SLENDER METAL TUBE FOR OBTAINING A SAMPLE OF OIL…
Owned by: W.L. Walker Co., Inc.
Serial Number: 86547429
TULSA THIEF
Filed: March 9, 2015
MECHANICAL LIQUID SAMPLER IN THE NATURE OF A CYLINDRICAL VESSEL WITH LEVEL MARKINGS AND A VALVE FOR COLLECTING OIL SAMPLES…
Owned by: W.L. Walker Co., Inc.
Serial Number: 86557931
W
Filed: April 25, 2017
Testing and measuring equipment used in sampling and testing petroleum, petroleum products and chemicals, namely, tank gauging…
Owned by: W.L. Walker Co., Inc.
Serial Number: 87424104
