Granted Patent
Utility
US 5,839,271 · App. 08/751,719
Quench cooler
Inventor:
Holger Illbruck
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Nov 18, 1996
Inventor
Holger Illbruck
Assignee (at issue)
Asea Brown Boveri, S.A.
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.