Granted Patent
Utility
US 6,718,853 · App. 10/131,372
Log saw apparatus and method
Inventor:
Tad T. Butterworth
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 24, 2002
Inventor
Tad T. Butterworth
Assignee (at issue)
C.G. Bretting Manufacturing Co., 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.