Granted Patent
Utility
US 5,259,367 · App. 07/783,051
Devices and methods for placement of feeding tubes
Inventors:
Donald F. Kirby, Lester D. Michels, Frederick K. Reuning
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Oct 25, 1991
Inventors
Donald F. Kirby
Lester D. Michels
Frederick K. Reuning
Assignee (at issue)
Sandoz AG
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.