Granted Patent
Utility
US 6,802,116 · App. 09/811,828
Method of manufacturing a metal-oxide varistor with improved energy absorption capability
Inventors:
Ragnar Osterlund, Teddy Boije
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Mar 20, 2001
Inventors
Ragnar Osterlund
Teddy Boije
Assignee (at issue)
ABB AB
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.