Granted Patent
Utility
US 5,654,458 · App. 08/050,433
Recovery of palladium
Inventors:
Michael D. Fabiano, Gary A. Kordosky, Phillip L. Mattison, Michael J. Virnig, Bert Gruber, Steven M. Hoagland
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: May 14, 1993
Inventors
Michael D. Fabiano
Gary A. Kordosky
Phillip L. Mattison
Michael J. Virnig
Bert Gruber
Steven M. Hoagland
Assignee (at issue)
Henkel Limited
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.