Granted Patent
Utility
US 4,636,334 · App. 06/764,194
Production of ammonia synthesis gas
Inventors:
Geoffrey Frederick Skinner, Wieslaw M. Kowal, Stephen Linton
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Aug 9, 1985
Inventors
Geoffrey Frederick Skinner
Wieslaw M. Kowal
Stephen Linton
Assignee (at issue)
Foster Wheeler USA 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.