Granted Patent
Utility
US 4,182,326 · App. 05/828,248
Laryngotracheal syringe
Inventor:
Robert W. Ogle
Patented Case
View Patent ↗
Granted: Jan 8, 1980
Filed: Aug 26, 1977
Inventor
Robert W. Ogle
Assignee (at issue)
IMS GmbH
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.