Granted Patent
Utility
US 4,995,451 · App. 07/458,909
Evaporator having etched fiber nucleation sites and method of fabricating same
Inventor:
William Hamburgen
Patented Case
View Patent ↗
Granted: Feb 26, 1991
Filed: Dec 29, 1989
Inventor
William Hamburgen
Assignee (at issue)
Digital Equipment 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.