Granted Patent
Utility
US 6,804,989 · App. 10/286,102
Method and apparatus for measuring ultralow water permeation
Inventors:
Roko S. Bujas, Ralf Dunkel
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Oct 31, 2002
Inventors
Roko S. Bujas
Ralf Dunkel
Assignee (at issue)
General Atomics
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.