Granted Patent
Utility
US 4,922,473 · App. 07/333,295
Enclosure for suppression of air-coupled noise produced by seismic vibrators
Inventors:
John J. Sallas, Richard H. Luce, Michael Corrigan
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Apr 4, 1989
Inventors
John J. Sallas
Richard H. Luce
Michael Corrigan
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.