Granted Patent
Utility
US 4,893,030 · App. 07/233,847
Biasing circuit for generating precise currents in an integrated circuit
Inventors:
Gerald W. Shearer, Karl M. J. Lofgren, Kenneth W. Ouyang
Patented Case
View Patent ↗
Granted: Jan 9, 1990
Filed: Aug 16, 1988
Inventors
Gerald W. Shearer
Karl M. J. Lofgren
Kenneth W. Ouyang
Assignee (at issue)
Western Digital
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.