Granted Patent
Utility
US 6,607,547 · App. 09/645,473
Longitudinal dilator and method
Inventor:
Albert K. Chin
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Aug 24, 2000
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.