Granted Patent
Utility
US 5,912,923 · App. 08/505,414
System for transmitting coded speech signals
Inventors:
Karl Hellwig, Dietmar Lorenz, Rainer Dietsch
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Jul 21, 1995
Inventors
Karl Hellwig
Dietmar Lorenz
Rainer Dietsch
Assignee (at issue)
U.S. Philips 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.