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| Patents for Lee & Leavitt | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 7,027 | Jan. 15, 1850 | N.G. Norcross | Circular-saw mill | |
 | 14,700 | Apr. 15, 1856 | E.H. Stearns | Head and tail block for sawmills | |
 | 15,012 | Jun. 03, 1856 | W.D. Leavitt | Sawing machine | |
 | 21,345 | Aug. 31, 1858 | W.D. Leavitt | Method of attaching the spreader to saws of circular sawing machines | |
 | 21,838 | Oct. 19, 1858 | W.D. Leavitt | Resawing-machine | |
 | 23,377 | Mar. 29, 1859 | W.D. Leavitt, R.S. Lee | Rocker-box for saw-shafts | |