Granted Patent
Utility
US 5,833,628 · App. 08/637,127
Graduated bone graft harvester
Inventors:
Hansen Yuan, Peter Stutz, John Dowdle, Serafin Samson
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Apr 24, 1996
Inventors
Hansen Yuan
Peter Stutz
John Dowdle
Serafin Samson
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.