Granted Patent
Utility
US 6,734,657 · App. 09/754,116
Temperature-compensated fiber optic current sensor
Inventors:
Klaus Bohnert, Jurgen Nehring
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jan 5, 2001
Inventors
Klaus Bohnert
Jurgen Nehring
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.