Granted Patent
Utility
US 4,656,498 · App. 06/200,834
Oxide-isolated integrated Schottky logic
Inventor:
Frank W. Hewlett
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Oct 27, 1980
Inventor
Frank W. Hewlett
Assignee (at issue)
Texas Instruments Incorporated
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.