Granted Patent
Utility
US 4,750,902 · App. 06/865,240
Endoscopic ultrasonic aspirators
Inventors:
David G. Wuchinich, Robert Brendolan, Louis Katz, Donald R. Krawitt
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: May 19, 1986
Inventors
David G. Wuchinich
Robert Brendolan
Louis Katz
Donald R. Krawitt
Assignee (at issue)
Sonomed Technology, 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.