Granted Patent
Utility
US 4,200,507 · App. 05/747,102
Separation of uranium isotopes
Inventor:
John T. Porter, II
Patented Case
View Patent ↗
Granted: Apr 29, 1980
Filed: Dec 3, 1976
Inventor
John T. Porter, II
Assignee (at issue)
General Atomics
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.