Granted Patent
Utility
US 5,045,795 · App. 07/550,842
Azimuthally oriented coil array for MWD resistivity logging
Inventors:
Stanley C. Gianzero, Paul L. Sinclair, Roland E. Chemali, Shey-Min Su
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Jul 10, 1990
Inventors
Stanley C. Gianzero
Paul L. Sinclair
Roland E. Chemali
Shey-Min Su
Assignee (at issue)
Halliburton Logging Services, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.