Granted Patent
Utility
US 4,336,521 · App. 06/242,771
Electric fuse
Inventors:
Frederick J. Kozacka, Richard A. Belcher
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Mar 11, 1981
Inventors
Frederick J. Kozacka
Richard A. Belcher
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.