Granted Patent
Utility
US 4,807,849 · App. 07/108,431
Fluid flow control device and compression member therefor
Inventor:
Daniel P. Morgan
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Oct 14, 1987
Inventor
Daniel P. Morgan
Assignee (at issue)
Veriflo Corporation
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.