Granted Patent
Utility
US 5,217,465 · App. 07/841,990
Flexible and steerable aspiration tip for microsurgery
Inventor:
Dennis L. Steppe
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Feb 28, 1992
Inventor
Dennis L. Steppe
Assignee (at issue)
Alcon Surgical, 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.