Granted Patent
Utility
US 4,352,124 · App. 05/955,721
Aircraft passenger entertainment system
Inventor:
Donald D. Kline
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Oct 27, 1978
Inventor
Donald D. Kline
Assignee (at issue)
Bell and Howell, LLC
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.