Granted Patent
Utility
US 5,389,352 · App. 08/095,749
Oxide particles and method for producing them
Inventor:
Jiun-Fang Wang
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Jul 21, 1993
Inventor
Jiun-Fang Wang
Assignee (at issue)
Rodel Holdings, 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.