Granted Patent
Utility
US 4,816,694 · App. 07/094,068
Radiation system
Inventors:
John D. Kuppenheimer, Jr., John W. Kenne, Jr.
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Aug 31, 1987
Inventors
John D. Kuppenheimer, Jr.
John W. Kenne, Jr.
Assignee (at issue)
Sanders GmbH
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.