Granted Patent
Utility
US 4,609,932 · App. 06/712,940
Nonplanar ion-sensitive field-effect transistor devices
Inventor:
Thomas R. Anthony
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Mar 18, 1985
Inventor
Thomas R. Anthony
Assignee (at issue)
General Electric 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.