Granted Patent
Utility
US 4,908,112 · App. 07/207,535
Silicon semiconductor wafer for analyzing micronic biological samples
Inventor:
Salvatore J. Pace
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Jun 16, 1988
Inventor
Salvatore J. Pace
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.