Granted Patent
Utility
US 6,077,490 · App. 09/271,741
Method and apparatus for filtering hot syngas
Inventors:
Robert A. McIlroy, Mark Anthony Perna, Kurt E. Kneidel, Andrew F. Kisik
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Mar 18, 1999
Inventors
Robert A. McIlroy
Mark Anthony Perna
Kurt E. Kneidel
Andrew F. Kisik
Assignee (at issue)
McDermott Technology, Inc.
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.