Granted Patent
Utility
US 6,203,931 · App. 09/245,574
Lead frame material and process for manufacturing the same
Inventors:
Chun-Hsun Chu, Shyi-Yi Chen, Jui-Fen Pai
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Feb 5, 1999
Inventors
Chun-Hsun Chu
Shyi-Yi Chen
Jui-Fen Pai
Assignee (at issue)
Industrial Technology Research Institute
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.