Granted Patent
Utility
US 4,602,574 · App. 06/669,420
Destruction of toxic organic chemicals
Inventors:
Robert D. Bach, Christopher J. Nagel
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Nov 8, 1984
Inventors
Robert D. Bach
Christopher J. Nagel
Assignee (at issue)
United States Steel 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.