Ohio Tools Marks Patent #04 Smoother
Click here for some more Ohio Tools History
This plane is stamped with the Edward Marks’ 8-20-07 Patent frog patent date. It has the frog seat from the patent, but an adjustment screw has been added to it. The adjustment screw was not in the patent.
More on the Edward Marks’ 8-20-07 Patent frog patent plane here.
