Granted Patent
Utility
US 4,663,243 · App. 06/437,122
Flame-sprayed ferrous alloy enhanced boiling surface
Inventors:
Alfred M. Czikk, James W. Kern
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Oct 28, 1982
Inventors
Alfred M. Czikk
James W. Kern
Assignee (at issue)
Union Carbide 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.