Granted Patent
Utility
US 6,342,147 · App. 09/440,600
Process for producing hard, electrodeposited iron with inherent channel porosity
Inventor:
Charles F. Lowrie
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Nov 15, 1999
Inventor
Charles F. Lowrie
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.