Granted Patent
Utility
US 4,559,458 · App. 06/597,618
Temperature tracking and supply voltage independent line driver for ECL circuits
Inventor:
Bing Ma
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Apr 6, 1984
Inventor
Bing Ma
Assignee (at issue)
Advanced Micro Devices, Inc.
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.