Granted Patent
Utility
US 4,824,658 · App. 06/944,327
Production of synthesis gas using convective reforming
Inventors:
Maxim Karafian, Irving C. Tsang
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Dec 19, 1986
Inventors
Maxim Karafian
Irving C. Tsang
Assignee (at issue)
Stone & Webster Engineering Corp.
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.