Granted Patent
Utility
US 5,454,321 · App. 08/324,210
Fault tolerant safe and arming device
Inventors:
Bradley M. Biggs, Steve Curtis, Robert H. Johnson
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Oct 17, 1994
Inventors
Bradley M. Biggs
Steve Curtis
Robert H. Johnson
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.