Granted Patent
Utility
US 5,691,884 · App. 08/566,957
Semiconductor device with removably fixed lead frame
Inventors:
Shin Soyano, Susumu Toba
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Dec 4, 1995
Inventors
Shin Soyano
Susumu Toba
Assignee (at issue)
FUJI ELECTRIC CO., 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.