Granted Patent
Utility
US 4,619,333 · App. 06/553,440
Detonation of tandem guns
Inventor:
Flint R. George
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Nov 18, 1983
Inventor
Flint R. George
Assignee (at issue)
Halliburton
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.