Granted Patent
Utility
US 5,384,161 · App. 08/176,788
System for making bright aluminum parts
Inventors:
Richard C. Eisfeller, John B. Clark
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Jan 3, 1994
Inventors
Richard C. Eisfeller
John B. Clark
Assignee (at issue)
Davidson Textron, 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.