Granted Patent
Utility
US 4,579,087 · App. 06/563,899
Corrosion resistant steam generator and method of making same
Inventors:
Israel Stol, Robert H. Appleman
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Dec 21, 1983
Inventors
Israel Stol
Robert H. Appleman
Assignee (at issue)
Westinghouse Electric Company 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.