HELIUM LEAK TESTING, INC. Trademarks
QHE+
Filed: July 1, 2002
leak detection and calibration services and related system testing
Owned by: HELIUM LEAK TESTING, INC.
Serial Number: 76429070
QHE+
Filed: September 23, 2002
Leak detectors for vacuum pumps, pressure gauges, pressure relief valves for use in the following, namely, gas and oil pipelines…
Owned by: HELIUM LEAK TESTING, INC.
Serial Number: 76451977
