Granted Patent
Utility
US 5,937,859 · App. 08/730,791
Laryngeal airway device
Inventors:
Scott D. Augustine, Randall C. Arnold, Thomas W. McGrail
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Oct 16, 1996
Inventors
Scott D. Augustine
Randall C. Arnold
Thomas W. McGrail
Assignee (at issue)
Augustine Medical, Inc.
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.