Granted Patent
Utility
US 6,241,331 · App. 09/353,387
Sheet-metal casing with seal
Inventors:
Kurt Kammerl, Gustav Kolbl, Enrique Munoz, Markus Vestner
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Jul 15, 1999
Inventors
Kurt Kammerl
Gustav Kolbl
Enrique Munoz
Markus Vestner
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.