Granted Patent
Utility
US 5,045,772 · App. 07/591,363
Reference voltage generator
Inventors:
Kunio Nishiwaki, Kevin A. Norman
Patented Case
View Patent ↗
Granted: Sep 3, 1991
Filed: Oct 1, 1990
Inventors
Kunio Nishiwaki
Kevin A. Norman
Assignee (at issue)
Altera 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.