Granted Patent
Utility
US 5,674,192 · App. 08/097,248
Drug delivery
Inventors:
Ronald A. Sahatjian, James J. Barry
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Jul 23, 1993
Inventors
Ronald A. Sahatjian
James J. Barry
Assignee (at issue)
Boston Scientific Limited
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.