Granted Patent
Utility
US 5,899,876 · App. 08/921,915
Multiple site drug delivery system
Inventor:
Ronald J. Flower
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Aug 27, 1997
Inventor
Ronald J. Flower
Assignee (at issue)
BECTON, DICKINSON AND COMPANY
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.