Granted Patent
Utility
US 4,490,317 · App. 06/158,928
Method and apparatus for manufacturing stress-skin panels
Inventor:
Aron Kliewer
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Jun 12, 1980
Inventor
Aron Kliewer
Assignee (at issue)
Fleetwood Enterprises, 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.