Granted Patent
Utility
US 4,770,869 · App. 06/548,948
Steam producing process and products
Inventors:
Chanakya Misra, Steven W. Sucech
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Nov 7, 1983
Inventors
Chanakya Misra
Steven W. Sucech
Assignee (at issue)
Aluminum Company of America
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.