Granted Patent
Utility
US 6,832,424 · App. 10/828,047
Symmetrical mill
Inventors:
Peter Brown, Tony Backhouse
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Apr 20, 2004
Inventors
Peter Brown
Tony Backhouse
Assignee (at issue)
Self Leveling Machines, 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.