Granted Patent
Utility
US 6,575,978 · App. 09/827,202
Circumferential resecting reamer tool
Inventors:
Francis C. Peterson, Todd Bjork
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Apr 5, 2001
Inventors
Francis C. Peterson
Todd Bjork
Assignee (at issue)
Spineology Inc.
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.