Granted Patent
Utility
US 4,275,410 · App. 05/964,547
Three-dimensionally structured microelectronic device
Inventors:
Jan Grinberg, Alexander D. Jacobson, Kuen Chow
Patented Case
View Patent ↗
Granted: Jun 23, 1981
Filed: Nov 29, 1978
Inventors
Jan Grinberg
Alexander D. Jacobson
Kuen Chow
Assignee (at issue)
Hughes Aircraft 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.