Granted Patent
Utility
US 4,544,403 · App. 06/676,666
High charge, low leakage tantalum powders
Inventors:
Edward K. Schiele, Robert V. Manley, Carlos F. Rerat
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Nov 30, 1984
Inventors
Edward K. Schiele
Robert V. Manley
Carlos F. Rerat
Assignee (at issue)
Fansteel 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.