Granted Patent
Utility
US 5,965,853 · App. 08/966,329
Sound absorbing aircraft transparency and method of making same
Inventor:
William W. Hornsey
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Nov 7, 1997
Inventor
William W. Hornsey
Assignee (at issue)
PPG Industries Ohio, Inc.
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.