Granted Patent
Utility
US 5,366,093 · App. 08/120,114
Apparatus for separating particulate materials
Inventor:
Ronald Huber
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Sep 10, 1993
Inventor
Ronald Huber
Assignee (at issue)
Reynolds Metals Company
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.