Granted Patent
Utility
US 4,694,313 · App. 06/702,601
Conductivity modulated semiconductor structure
Inventor:
James D. Beasom
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Feb 19, 1985
Inventor
James D. Beasom
Assignee (at issue)
HARRIS CORPORATION
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.