Granted Patent
Utility
US 6,267,179 · App. 09/518,350
Method and apparatus for accurate milling of windows in well casings
Inventors:
Herve Ohmer, Platon Koptilov, Mark W. Brockman
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Mar 3, 2000
Inventors
Herve Ohmer
Platon Koptilov
Mark W. Brockman
Assignee (at issue)
Schlumberger Technology Corporation
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.