Granted Patent
Utility
US 4,487,128 · App. 06/432,588
Safety ring/firing pin for explosive device
Inventor:
Peter H. Van Sloun
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Oct 4, 1982
Inventor
Peter H. Van Sloun
Assignee (at issue)
Honeywell Limited
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.