Granted Patent
Utility
US 6,132,687 · App. 09/082,890
Horizontal ammonia converter adapted for high activity catalyst
Inventor:
Stephen A. Noe
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: May 21, 1998
Inventor
Stephen A. Noe
Assignee (at issue)
Kellogg Brown & Root LLC
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.