Granted Patent
Utility
US 5,465,938 · App. 08/025,021
Universal fluid flow control
Inventors:
Robert W. Werge, Peter N. Kotsifas
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Mar 2, 1993
Inventors
Robert W. Werge
Peter N. Kotsifas
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.