Granted Patent
Utility
US 5,865,773 · App. 08/015,486
Cervical extrication collar
Inventor:
Michael J. Koledin
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jan 28, 1998
Inventor
Michael J. Koledin
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.