Granted Patent
Utility
US 4,573,979 · App. 06/644,057
Irrigation/aspiration tip
Inventor:
Larry W. Blake
Patented Case
View Patent ↗
Granted: Mar 4, 1986
Filed: Aug 23, 1984
Inventor
Larry W. Blake
Assignee (at issue)
Innovative Surgical Products, 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.