Granted Patent
Utility
US 6,276,466 · App. 09/429,792
System for measuring the direction and revolution of a production string
Inventor:
Anthony R. Boyd
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Oct 29, 1999
Inventor
Anthony R. Boyd
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.