Granted Patent
Utility
US 4,366,469 · App. 06/189,648
Companding analog to digital converter
Inventors:
Stuart R. Michaels, Stephen Sacks
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Sep 22, 1980
Inventors
Stuart R. Michaels
Stephen Sacks
Assignee (at issue)
ILC Data Device 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.