Granted Patent
Utility
US 5,260,576 · App. 07/605,993
Method and apparatus for the separation of materials using penetrating electromagnetic radiation
Inventors:
Edward J. Sommer, Jr., James R. Peatman
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Oct 29, 1990
Inventors
Edward J. Sommer, Jr.
James R. Peatman
Assignee (at issue)
National Recovery Technologies, LLC
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.