Granted Patent
Utility
US 5,306,271 · App. 07/848,269
Radiation therapy skin markers
Inventors:
Simion J. Zinreich, Eva S. Zinreich, Earl F. Robinson
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Mar 9, 1992
Inventors
Simion J. Zinreich
Eva S. Zinreich
Earl F. Robinson
Assignee (at issue)
IZI Corporation
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.