Granted Patent
Utility
US 4,847,671 · App. 07/051,424
Monolithically integrated insulated gate semiconductor device
Inventors:
Deva Pattanayak, Bantval J. Baliga
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: May 19, 1987
Inventors
Deva Pattanayak
Bantval J. Baliga
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.