Granted Patent
Utility
US 6,375,648 · App. 09/165,940
Infiltration cannula with teflon coated outer surface
Inventors:
William Edelman, John C. Brumbach
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Oct 2, 1998
Inventors
William Edelman
John C. Brumbach
Assignee (at issue)
Misonix, LLC
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.