Granted Patent
Utility
US 5,152,692 · App. 07/718,579
Biofidelic manikin neck
Inventor:
Marvin K. Richards
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Jun 21, 1991
Inventor
Marvin K. Richards
Assignee (at issue)
Simula, 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.