Granted Patent
Utility
US 4,282,909 · App. 06/009,213
Aerial refueling device
Inventors:
Charles R. Clark, Lowell R. Hanson, Gerald G. Steele
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Feb 5, 1979
Inventors
Charles R. Clark
Lowell R. Hanson
Gerald G. Steele
Assignee (at issue)
Parker-Hannifin Corporation
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.