Granted Patent
Utility
US 5,162,600 · App. 07/635,863
Method of treating lead contaminated soil
Inventors:
Charles A. Cody, Steven J. Kemnetz, William Bronner
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Dec 28, 1990
Inventors
Charles A. Cody
Steven J. Kemnetz
William Bronner
Assignee (at issue)
Rheox 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.