Granted Patent
Utility
US 4,470,547 · App. 06/362,472
Variable output nozzle
Inventor:
Webster B. Earl
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 26, 1982
Inventor
Webster B. Earl
Assignee (at issue)
Fairchild Industries, Inc.
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.