Granted Patent
Utility
US 5,870,525 · App. 08/946,033
Capillary feed boiler
Inventor:
Niels O. Young
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Oct 7, 1997
Inventor
Niels O. Young
Assignee (at issue)
Allports LLC International
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.