Granted Patent
Utility
US 4,750,488 · App. 07/020,266
Vibration apparatus preferably for endoscopic ultrasonic aspirator
Inventors:
David G. Wuchinich, Donald R. Krawitt, Robert Brendolan, Louis Katz
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Feb 27, 1987
Inventors
David G. Wuchinich
Donald R. Krawitt
Robert Brendolan
Louis Katz
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.