Granted Patent
Utility
US 5,290,527 · App. 07/971,741
Molybdenum recovery
Inventors:
Edward T. Marquis, Howard F. Payton, Robert A. Meyer
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Nov 5, 1992
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.