Change of Name

Recorded: 1996-08-26 Pages: 11

Assignor

WESTECH GEOPHYSICAL, INC.

Executed: 1994-12-22

Assignee

DHV INTERNATIONAL, INC.

4835 COLT STREET, #D, VENTURA, CALIFORNIA, 93003

Covered Properties (9)

Video Logging System Having Remote Power Source

Patent: 5,140,319 →

Application: 07/540,573 →

Communication and Power Cable

Patent: 5,202,944 →

Application: 07/708,977 →

Video Logging System Having Remote Power Source

Patent: 5,355,128 →

Application: 08/016,769 →

Lighting System and Method for a Video Logging System

Patent: 5,402,165 →

Application: 08/135,325 →

System and Method of Protecting Optical Elements from Down-Hole Fluids

Patent: 5,440,081 →

Application: 08/343,205 →

Reduced Diameter Down-Hole Instrument Electrical/Optical Fiber Cable

Patent: 5,493,626 →

Application: 08/368,389 →

System and Method of Protecting Instruments from Down-Hole Fluids

Patent: 5,550,331 →

Application: 08/456,751 →

Down-Hole Instrument Probe Having Multiple Sensors

Application: 08/479,802 →

Downhole Instrument Power Supply System Using Shunt Voltage Regulation

Patent: 5,550,411 →

Application: 08/492,918 →

Related Assignments (2)

Other recorded transfers of the patents in this record — the chain of ownership.