Granted Patent
Utility
US 5,138,583 · App. 07/704,231
Noise attenuation method
Inventors:
Cameron B. Wason, David J. Monk, Robert G. McBeath
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: May 22, 1991
Inventors
Cameron B. Wason
David J. Monk
Robert G. McBeath
Assignee (at issue)
Halliburton Geophysical Services, 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.