Granted Patent
Utility
US 4,298,402 · App. 06/118,291
Method of fabricating self-aligned lateral bipolar transistor utilizing special masking techniques
Inventor:
Hemraj K. Hingarh
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Feb 4, 1980
Inventor
Hemraj K. Hingarh
Assignee (at issue)
Fairchild Camera & Instrument Corp.
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.