Granted Patent
Utility
US 6,055,813 · App. 09/141,585
Plenum
Inventors:
Jakob Keller, Hugh Alun John Jackson, Ulf Müller, Bettina Paikert, Khawar Syed
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Aug 28, 1998
Inventors
Jakob Keller
Hugh Alun John Jackson
Ulf Müller
Bettina Paikert
Khawar Syed
Assignee (at issue)
Asea Brown Boveri, S.A.
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.