Granted Patent
Utility
US 4,665,898 · App. 06/613,507
Malignancy treatment
Inventors:
Jonathan L. Costa, Gunter A. Hofmann
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: May 23, 1984
Inventors
Jonathan L. Costa
Gunter A. Hofmann
Assignee (at issue)
Maxwell Laboratories, 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.