Granted Patent
Utility
US 5,013,341 · App. 07/574,550
Apparatus for separating particulate material from high-temperature gases
Inventors:
Juhani Isaksson, Dave Russell
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Aug 29, 1990
Inventors
Juhani Isaksson
Dave Russell
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.