Granted Patent
Utility
US 5,092,893 · App. 07/577,148
Human orthopedic vertebra implant
Inventor:
Thomas E. Smith
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Sep 4, 1990
Inventor
Thomas E. Smith
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.