Granted Patent
Utility
US 4,636,200 · App. 06/776,774
Intubating device
Inventor:
Vincent L. Vaillancourt
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Sep 17, 1985
Inventor
Vincent L. Vaillancourt
Assignee (at issue)
Chesebrough-Pond's Co.
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.