Last Modified: Aug 5 2008 8:53PM by Jeff_Joslin
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In 1848, received patent no. 5,648 for a planing machine that reproduced the action of a hand plane: the non-rotating cutter traveled along the board, and then was raised to travel back to the starting point and take another pass. A similar approach for cutting tongue and groove were integrated into the same machine. A note in SA appeared that same year that said, "[A planer] was exhibited at the Fair of the American Institute, by Emmons, and we have since learned that it has passed out of use." But in 1850, the patent was reissued as RE170; the reissue noted that Calvin Emmons was deceased.