Granted Patent
Utility
US 5,107,441 · App. 07/606,872
System for evaluating the flow performance characteristics of a device
Inventor:
Kenneth L. Decker
Patented Case
View Patent ↗
Granted: Apr 21, 1992
Filed: Oct 31, 1990
Inventor
Kenneth L. Decker
Assignee (at issue)
Otis Engineering 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.