Granted Patent
Utility
US 5,964,291 · App. 08/608,247
Well treatment
Inventors:
Hugh Malcolm Bourne, Peter A. Read
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Feb 28, 1996
Inventors
Hugh Malcolm Bourne
Peter A. Read
Assignee (at issue)
AEA Technology PLC
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.