Granted Patent
Utility
US 6,514,313 · App. 09/887,761
Gas purification system and method
Inventors:
Jeffrey J. Spiegelman, Russell L. Abber
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Jun 22, 2001
Inventors
Jeffrey J. Spiegelman
Russell L. Abber
Assignee (at issue)
Aeronex, 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.