Granted Patent
Utility
US 4,520,975 · App. 06/447,223
Air-bag ejection system for store deployment
Inventor:
William R. Blackhurst
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Dec 6, 1982
Inventor
William R. Blackhurst
Assignee (at issue)
Northrop 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.