Granted Patent
Utility
US 6,715,544 · App. 09/961,788
Well screen
Inventors:
George A. Gillespie, David Bruxelle, Christophe Malbrel, Phong Vu, Michael William Neal
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Sep 24, 2001
Inventors
George A. Gillespie
David Bruxelle
Christophe Malbrel
Phong Vu
Michael William Neal
Assignee (at issue)
Weatherford/Lamb, 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.