Granted Patent
Utility
US 4,634,501 · App. 06/857,217
Article and method for determining the concentration of metal ionic complexes in a solution
Inventor:
Oliver H. LeBlanc, Jr.
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Apr 29, 1986
Inventor
Oliver H. LeBlanc, Jr.
Assignee (at issue)
General Electric Company
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.