Granted Patent
Utility
US 5,450,146 · App. 07/943,115
High fidelity reproduction device for cinema sound
Inventors:
Pascal Chedeville, Jean-Georges Kaspar
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Sep 10, 1992
Inventors
Pascal Chedeville
Jean-Georges Kaspar
Assignee (at issue)
Digital Theater Systems, L.P.
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.