IP Library › Granted Patent US 4,412,142
Granted Patent Utility
US 4,412,142 · App. 06/219,824

Integrated circuit incorporating low voltage and high voltage semiconductor devices

Inventors: Louis J. Ragonese, Nicholas A. Schmitz, Saverio F. Bevacqua, King Owyang
Patented Case View Patent ↗
Granted: Oct 25, 1983 Filed: Dec 24, 1980
Inventors
Louis J. Ragonese
Nicholas A. Schmitz
Saverio F. Bevacqua
King Owyang
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,412,142
App. No.
06/219,824
Filed
1980-12-24
Granted
1983-10-25
Kind
A