Granted Patent
Utility
US 5,561,065 · App. 08/337,897
Method for testing earth samples for contamination by organic contaminants
Inventor:
John F. Schabron
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Nov 14, 1994
Inventor
John F. Schabron
Assignee (at issue)
The University of Wyoming Research Corporation
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.