Granted Patent
Utility
US 5,273,726 · App. 07/695,837
Removal of aluminum from ammonium molybdate solution
Inventors:
Michael J. Cheresnowsky, Michael J. Miller, Shirley S. Schaeffer
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: May 6, 1991
Inventors
Michael J. Cheresnowsky
Michael J. Miller
Shirley S. Schaeffer
Assignee (at issue)
GTE Products 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.