Granted Patent
Utility
US 4,950,326 · App. 07/345,865
Process for removal of dissolved copper from solution
Inventor:
Jerry D. Holly
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: May 1, 1989
Inventor
Jerry D. Holly
Assignee (at issue)
Tektronix, 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.