Granted Patent
Utility
US 4,306,499 · App. 06/109,730
Electric safety squib
Inventor:
Wayne Holmes
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: Jan 4, 1980
Inventor
Wayne Holmes
Assignee (at issue)
Thiokol 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.