Granted Patent
Utility
US 4,535,532 · App. 06/598,179
Integrated circuit contact technique
Inventor:
Loren T. Lancaster
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Apr 9, 1984
Inventor
Loren T. Lancaster
Assignee (at issue)
AT&T Bell Laboratories
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.