| Patents for Lee & Leavitt |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 7,027 | Jan. 15, 1850 | N.G. Norcross | Circular-saw mill | circular sawmills |
| 14,700 | Apr. 15, 1856 | E.H. Stearns | Head and tail block for sawmills | sawmill headblocks |
| 15,012 | Jun. 03, 1856 | W.D. Leavitt | Sawing machine | circular saws |
| 21,345 | Aug. 31, 1858 | W.D. Leavitt | Method of attaching the spreader to saws of circular sawing machines | circular saws |
| 21,838 | Oct. 19, 1858 | W.D. Leavitt | Resawing-machine | circular sawmills |
| 23,377 | Mar. 29, 1859 | W.D. Leavitt, R.S. Lee | Rocker-box for saw-shafts | woodworking machine mechanisms |