Granted Patent
Utility
US 4,691,702 · App. 06/916,358
Aspirating device
Inventor:
Constantin B. Chantzis
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Oct 8, 1986
Inventor
Constantin B. Chantzis
Assignee (at issue)
BECTON, DICKINSON AND COMPANY
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.