Granted Patent
Utility
US 4,410,499 · App. 06/260,499
Waste gas purification reactor and method
Inventors:
John Edward Aiken, William J. Didycz, Donald Glassman
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: May 4, 1981
Inventors
John Edward Aiken
William J. Didycz
Donald Glassman
Assignee (at issue)
United States Steel 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.