Filed June 4, 2012

Serial No. 79119209

Registered Feb. 4, 2014

Registration No. 4,476,464

Examining Attorney null

Class Weighing apparatus and instruments; measuring apparatus and instruments, namely, sensors and fiber optics for the determination of pressure, temperature, vibration, distance, speed, weight, flow, acoustics and other well parameters in the nature of fluid and gas concentration, fluid and gas location and wellbore integrity. signaling apparatus and instruments, namely, sensors and fiber optics for the determination of pressure, temperature, vibration, distance, speed, weight, flow, acoustics and other well parameters in the nature of fluid and gas concentration, fluid and gas location and wellbore integrity. checking apparatus for use in wells, namely, sensors and fiber optics for the determination of pressure, temperature, vibration, distance, speed, weight, flow, acoustics and other well parameters in the nature of fluid and gas concentration, fluid and gas location and wellbore integrity. Optical fiber cables; logging equipment for use in wells, namely, measuring instruments comprised of carbon composite rods carrying sensors, electronic data loggers, and fiber optics for the determination of pressure, temperature, vibration, distance, speed, weight, flow, acoustics and other well parameters in the nature of fluid and gas concentration, fluid and gas location and wellbore integrity; 021; 023; 026; 036; 038; 100; 101

Case Type Trademark Service mark