Granted Patent
Utility
US 6,253,966 · App. 09/503,344
Discharge booster for promoting a flow of bulk material
Inventor:
Michael J. Dinkel
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Feb 14, 2000
Inventor
Michael J. Dinkel
Assignee (at issue)
GEA Powder Technology GmbH
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.