Granted Patent
Utility
US 5,457,344 · App. 08/218,098
Test fixtures for C4 solder-bump technology
Inventor:
Dirk J. Bartelink
Patented Case
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Granted: Oct 10, 1995
Filed: Mar 25, 1994
Inventor
Dirk J. Bartelink
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.