Granted Patent
Utility
US 5,789,348 · App. 08/338,910
Preparation of superconductor precursor powders
Inventor:
Raghunath Bhattacharya
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Nov 14, 1994
Inventor
Raghunath Bhattacharya
Assignee (at issue)
Midwest Research Institute, 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.