Granted Patent
Utility
US 6,729,042 · App. 10/124,433
Enhancement of fluid replacement in porous media through pressure modulation
Inventor:
Kang P. Lee
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Apr 16, 2002
Inventor
Kang P. Lee
Assignee (at issue)
Aspen Systems, 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.