Granted Patent
Utility
US 4,628,291 · App. 06/736,959
Full range oil expulsion fuse
Inventor:
Wayne W. Lien
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: May 22, 1985
Inventor
Wayne W. Lien
Assignee (at issue)
RTE Corporation
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.