Granted Patent
Utility
US 4,860,080 · App. 07/032,367
Isolation for transistor devices having a pilot structure
Inventor:
Hamza Yilmaz
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Mar 31, 1987
Inventor
Hamza Yilmaz
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.