Granted Patent
Utility
US 5,728,042 · App. 08/581,098
Medical appliance for ionizing radiation treatment having radiopaque markers
Inventor:
Michael Schwager
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 29, 1995
Inventor
Michael Schwager
Assignee (at issue)
Schneider (Europe) A.G.
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.