Granted Patent
Utility
US 6,777,940 · App. 10/291,440
Apparatus and method for resistivity well logging
Inventor:
Don T. Macune
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Nov 8, 2002
Inventor
Don T. Macune
Assignee (at issue)
Ultima Labs, 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.