Granted Patent
Utility
US 6,594,133 · App. 09/655,866
Surge arrester
Inventors:
Walter Schmidt, Peter Oehlschläger
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Sep 6, 2000
Inventors
Walter Schmidt
Peter Oehlschläger
Assignee (at issue)
ABB Schweiz AG
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.