Granted Patent
Utility
US 5,336,790 · App. 08/154,321
Molybdenum recovery
Inventors:
Edward T. Marquis, Howard F. Payton, Robert A. Meyer
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 18, 1993
Inventors
Edward T. Marquis
Howard F. Payton
Robert A. Meyer
Assignee (at issue)
Texaco Chemical 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.