Granted Patent
Utility
US 5,637,876 · App. 08/554,540
Radiation dosimetry method and apparatus
Inventors:
J. Michael Donahue, David F. Lewis, Henry Seiwatz, Carl A. Listl
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Nov 7, 1995
Inventors
J. Michael Donahue
David F. Lewis
Henry Seiwatz
Carl A. Listl
Assignee (at issue)
ISP INVESTMENTS 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.