Granted Patent
Utility
US 5,294,326 · App. 07/960,564
Functional plating from solutions containing trivalent chromium ion
Inventor:
George E. Shahin
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Oct 13, 1992
Inventor
George E. Shahin
Assignee (at issue)
Elf Atochem North America, 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.