Granted Patent
Utility
US 5,877,393 · App. 08/892,465
Treatment process for contaminated waste
Inventor:
William C. Webster
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Jul 14, 1997
Inventor
William C. Webster
Assignee (at issue)
Solucorp Industries, Ltd.
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.