Granted Patent
Utility
US 4,646,083 · App. 06/604,284
Borehole measurement and telemetry system
Inventor:
Allan O. Woods
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Apr 26, 1984
Inventor
Allan O. Woods
Assignee (at issue)
Hydril Company
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.