Granted Patent
Utility
US 5,917,872 · App. 08/583,064
Single chip device for decoding analog signals carrying digital data
Inventor:
Philip Ching
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jan 5, 1996
Inventor
Philip Ching
Assignee (at issue)
Mitel 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.