Granted Patent
Utility
US 6,503,262 · App. 09/707,641
Retractable micro-surgical tool
Inventor:
Roger A. Edens
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Nov 6, 2000
Inventor
Roger A. Edens
Assignee (at issue)
Escalon Medical 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.