Granted Patent
Utility
US 5,315,481 · App. 07/492,008
Packaging construction for semiconductor wafers
Inventor:
Robert Smolley
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Mar 12, 1990
Inventor
Robert Smolley
Assignee (at issue)
TRW Limited
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.