Granted Patent
Utility
US 6,308,562 · App. 09/469,989
Technique for signal detection using adaptive filtering in mud pulse telemetry
Inventors:
Ali Abdallah, Mark S. Beattie
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Dec 22, 1999
Inventors
Ali Abdallah
Mark S. Beattie
Assignee (at issue)
W-H Energy 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.