Granted Patent
Utility
US 4,655,298 · App. 06/773,773
Annulus pressure firer mechanism with releasable fluid conduit force transmission means
Inventors:
Flint R. George, David M. Haugen
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Sep 5, 1985
Inventors
Flint R. George
David M. Haugen
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.