Granted Patent
Utility
US 4,490,143 · App. 06/422,565
Feeding tube assembly
Inventors:
David G. Quinn, Robert B. Edwards, II
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 24, 1982
Inventors
David G. Quinn
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.