Granted Patent
Utility
US 4,246,563 · App. 05/907,354
Electric safety fuse
Inventor:
Olav Noerholm
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: May 18, 1978
Inventor
Olav Noerholm
Assignee (at issue)
Aktieselkabet Laur. Knudsen Nordisk Electricitets
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.