Granted Patent
Utility
US 4,985,801 · App. 07/333,621
Tube for the circulation of a flammable fluid, and conduit made from such tubes
Inventors:
Guy Hellard, Amour Bedes
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Feb 7, 1989
Inventors
Guy Hellard
Amour Bedes
Assignee (at issue)
Aerospatiale Societe Nationale Industrielle
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.