Granted Patent
Utility
US 5,782,580 · App. 08/729,897
Soil remediation method
Inventors:
Winton G. Aubert, C. Richard Knowles
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Oct 15, 1996
Inventors
Winton G. Aubert
C. Richard Knowles
Assignee (at issue)
Atlantic Richfield 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.