Granted Patent
Utility
US 4,493,694 · App. 06/614,691
Surgical pre-aspirator
Inventor:
David G. Wuchinich
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: May 25, 1984
Inventor
David G. Wuchinich
Assignee (at issue)
Cooper LaserSonics, 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.