Granted Patent
Utility
US 5,823,787 · App. 08/932,162
Training mannequin for management of normal and abnormal airways
Inventors:
Rene M. Gonzalez, John Schaefer
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Sep 17, 1997
Inventors
Rene M. Gonzalez
John Schaefer
Assignee (at issue)
Medical Plastics Laboratory, 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.