Granted Patent
Utility
US 5,957,928 · App. 09/094,175
Handpiece for irrigation and aspiration during eye surgery and a method for manufacturing such a handpiece
Inventor:
Lawrence T. Kirwan, Jr.
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jun 9, 1998
Inventor
Lawrence T. Kirwan, Jr.
Assignee (at issue)
Kirwan Surgical Products 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.