Granted Patent
Utility
US 5,258,043 · App. 07/813,984
Method for making a prosthetic intervertebral disc
Inventor:
Kevin R. Stone
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Dec 26, 1991
Inventor
Kevin R. Stone
Assignee (at issue)
ReGen Corporation
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.