Granted Patent
Utility
US 6,790,357 · App. 10/142,754
Media bed support grid
Inventor:
Robert G. Norell
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: May 9, 2002
Inventor
Robert G. Norell
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.