Granted Patent
Utility
US 5,916,233 · App. 09/035,704
Vessel harvesting method and instrument including access port
Inventor:
Albert K. Chin
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Mar 5, 1998
Inventor
Albert K. Chin
Assignee (at issue)
Origin Medsystems, 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.