Granted Patent
Utility
US 3,977,398 · App. 05/648,091
Fluted sub-trochanteric nail system
Inventor:
Albert H. Burstein
Patented Case
View Patent ↗
Granted: Aug 31, 1976
Filed: Jan 12, 1976
Inventor
Albert H. Burstein
Assignee (at issue)
The Sampson 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.