Granted Patent
Utility
US 5,555,945 · App. 08/290,653
Early evaluation by fall-off testing
Inventors:
Roger L. Schultz, H. Kent Beck, Paul D. Ringgenberg, Ronald L. Hinkie
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Aug 15, 1994
Inventors
Roger L. Schultz
H. Kent Beck
Paul D. Ringgenberg
Ronald L. Hinkie
Assignee (at issue)
Halliburton
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.