Granted Patent
Utility
US 5,243,913 · App. 07/937,605
Shock tube initiator
Inventors:
Geoffrey Frederick Brent, Malcolm D. Harding
Patented Case
View Patent ↗
Granted: Sep 14, 1993
Filed: Sep 2, 1993
Inventors
Geoffrey Frederick Brent
Malcolm D. Harding
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES 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.