Granted Patent
Utility
US 4,211,218 · App. 05/933,460
Spinal restraint device
Inventor:
Richard L. Kendrick
Patented Case
View Patent ↗
Granted: Jul 8, 1980
Filed: Aug 14, 1978
Inventor
Richard L. Kendrick
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.