Granted Patent
Utility
US 6,755,482 · App. 10/143,147
Cutting machine with flywheel gearbox design and method for use
Inventor:
H. Matthew Johnson
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: May 10, 2002
Inventor
H. Matthew Johnson
Assignee (at issue)
Surface Preparation Technologies, LLC
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.