Granted Patent
Utility
US 5,505,907 · App. 08/265,041
Apparatus for treating or utilizing a hot gas flow
Inventors:
Matti Hiltunen, Timo Hyppanen, Kurt Westerlund
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jun 22, 1994
Inventors
Matti Hiltunen
Timo Hyppanen
Kurt Westerlund
Assignee (at issue)
A. Ahlstrom 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.