Granted Patent
Utility
US 5,980,446 · App. 08/910,098
Methods and system for subsurface stabilization using jet grouting
Inventors:
Guy G. Loomis, Jerry R. Weidner, Richard K. Farnsworth, Bradley M. Gardner, James J. Jessmore
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Aug 12, 1997
Inventors
Guy G. Loomis
Jerry R. Weidner
Richard K. Farnsworth
Bradley M. Gardner
James J. Jessmore
Assignee (at issue)
Lockheed Martin Idaho Technologies Company
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.