Granted Patent
Utility
US 4,582,671 · App. 06/474,347
Failed fuel location detector
Inventor:
Hiroshi Rindo
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Mar 11, 1983
Inventor
Hiroshi Rindo
Assignee (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
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.