Granted Patent
Utility
US 6,738,246 · App. 10/009,800
Electrical circuit breaker for protecting against overcurrents
Inventor:
Ralf Strumpler
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Dec 13, 2001
Inventor
Ralf Strumpler
Assignee (at issue)
ABB RESEARCH LTD.
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.