Granted Patent
Utility
US 6,055,989 · App. 08/865,824
Method for surgical dissection, sizing and expansion
Inventor:
Robert D. Rehnke
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: May 30, 1997
Inventor
Robert D. Rehnke
Assignee (at issue)
Robert D. Rehnke
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.