Granted Patent
Utility
US 4,636,654 · App. 06/784,983
GaAs differential line receiver with positive feedback
Inventor:
Lawrence E. Lach
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Oct 7, 1985
Inventor
Lawrence E. Lach
Assignee (at issue)
Gould 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.