Granted Patent
Utility
US 5,632,674 · App. 08/552,081
Grain bin with side walls having integral vertical stiffeners and air conduits
Inventor:
George E. Miller, Jr.
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Nov 2, 1995
Inventor
George E. Miller, Jr.
Assignee (at issue)
BUTLER MANUFACTURING COMPANY
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.