Granted Patent
Utility
US 5,245,340 · App. 07/835,356
Digital transmultiplexer with automatic threshold controller
Inventors:
Chun Loo, Masahiro Umehira
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Feb 14, 1992
Inventors
Chun Loo
Masahiro Umehira
Assignee (at issue)
Her Majesty the Queen in right of Canada, as represented by the Minister of Communications
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.