Granted Patent
Utility
US 4,496,347 · App. 06/422,564
Feeding tube stylet
Inventors:
David S. MacLean, Robert B. Edwards, II
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Sep 24, 1982
Inventors
David S. MacLean
Robert B. Edwards, II
Assignee (at issue)
VIRIDIAN CONSULTANTS 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.