Granted Patent
Utility
US 4,789,000 · App. 07/118,438
Flow control device for administration
Inventor:
Jerry L. Aslanian
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Nov 9, 1987
Inventor
Jerry L. Aslanian
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.