GO
Filed: June 5, 1961
Oil Well Logging and Service Apparatus and Systems, Including Radioactivity, Temperature, Density, Electrical, Flowmeter…
Owned by: Gearhart Industries, Inc.
Serial Number: 72121382
GO
Filed: June 5, 1961
Oil Well Service Apparatus and Systems Including Well Perforating Devices and Equipment, Perforating Charges, Perforating…
Owned by: Gearhart Industries, Inc.
Serial Number: 72121383
GO
Filed: July 14, 1961
Oil Well Wire Line Services-Namely, Radioactivity, Temperature, Density, Electrical, Flowmeter, Tracing, and Collar Locator…
Owned by: Gearhart Industries, Inc.
Serial Number: 72123982
LASERLOG
Filed: November 22, 1976
PRODUCTION OF COMPUTED LOGS IN THE EARTH BOREHOLE LOGGING INDUSTRY
Owned by: Gearhart Industries, Inc.
Serial Number: 73107350
GEARHART THE GO COMPANY
Filed: July 18, 1980
Oil and Gas Well Testing and Evaluation Services
Owned by: Gearhart Industries, Inc.
Serial Number: 73270682
MWD
Filed: June 22, 1981
Measuring Directional Drilling Progress and Other Downhole Parameters While Drilling
Owned by: Gearhart Industries, Inc.
Serial Number: 73315739
FRAX
Filed: May 10, 1982
Providing Computer Analysis of Well Log Data
Owned by: Gearhart Industries, Inc.
Serial Number: 73363934
COMSET
Filed: January 10, 1983
Computerized Analysis and Evaluation of Oil Content in Oil Shale
Owned by: Gearhart Industries, Inc.
Serial Number: 73399377
ELREC
Filed: May 21, 1984
Oil Field Services-Namely, Providing the Distance and Direction to Blown Out Well Casings, and Analysis of Subterranean…
Owned by: Gearhart Industries, Inc.
Serial Number: 73481439
