Granted Patent
Utility
US 5,315,231 · App. 07/976,760
Symmetrical bipolar bias current source with high power supply rejection ratio (PSRR)
Inventors:
Lloyd Frederick Linder, Dwight D. Birdsall, Kelvin T. Tran
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Nov 16, 1992
Inventors
Lloyd Frederick Linder
Dwight D. Birdsall
Kelvin T. Tran
Assignee (at issue)
Hughes Aircraft 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.