Granted Patent
Utility
US 6,290,690 · App. 09/336,922
Simultaneous injection and aspiration of viscous fluids in a surgical system
Inventors:
John C. Huculak, Richard L. Zaleski, II, Russell L. Finlay
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Jun 21, 1999
Inventors
John C. Huculak
Richard L. Zaleski, II
Russell L. Finlay
Assignee (at issue)
Alcon Manufacturing, Ltd.
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.