Granted Patent
Utility
US 6,406,425 · App. 09/634,132
Cannula-based irrigation system and method
Inventors:
Albert K. Chin, John P. Lunsford, Tenny Chang, Jeffrey W. Baxter
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 8, 2000
Inventors
Albert K. Chin
John P. Lunsford
Tenny Chang
Jeffrey W. Baxter
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.