Granted Patent
Utility
US 4,935,903 · App. 07/398,813
Reinforcement of surface seismic wavefields
Inventors:
Joe I. Sanders, Edward L. Shuck
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Aug 25, 1989
Inventors
Joe I. Sanders
Edward L. Shuck
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.