Granted Patent
Utility
US 6,436,170 · App. 09/602,933
Process and apparatus for removing particles from high purity gas systems
Inventors:
Wayne Thomas McDermott, Richard Carl Ockovic
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Jun 23, 2000
Inventors
Wayne Thomas McDermott
Richard Carl Ockovic
Assignee (at issue)
Air Products and Chemicals, 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.