Granted Patent
Utility
US 5,320,185 · App. 07/898,506
Aircraft fluid drop system
Inventors:
Richard Foy, Oddgeir Uglum
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jun 15, 1992
Inventors
Richard Foy
Oddgeir Uglum
Assignee (at issue)
Erickson Air-Crane Incorporated
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.