Granted Patent
Utility
US 4,938,141 · App. 07/368,477
Shock initiator device for initiating a percussion primer
Inventor:
W. Keith Gallant
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Jun 19, 1989
Inventor
W. Keith Gallant
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.