Granted Patent
Utility
US 4,439,072 · App. 06/266,032
Fluidized bed discharge bin with aerating blower
Inventor:
James H. Goedken
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: May 22, 1981
Inventor
James H. Goedken
Assignee (at issue)
Hoover Universal, 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.