Granted Patent
Utility
US 4,774,940 · App. 06/504,539
Breathing circuit connector for use in anesthesiology
Inventor:
Gerald S. Linder
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Jun 15, 1983
Inventor
Gerald S. Linder
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.