Granted Patent
Utility
US 6,572,260 · App. 09/865,203
Mixer apparatus for mixing materials such as feed
Inventor:
William Knight
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 24, 2001
Inventor
William Knight
Assignee (at issue)
Kuhn Knight, 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.