| All Patents in class 83/721 |
Patents 16 -
30
of 57
      |
| Number | Date | Patentee | Title | Type |
| 122,215 | Dec. 26, 1871 | N.F. Beckwith | Improvement in head-blocks | sawmill headblocks |
| RE4,745 | Feb. 06, 1872 | D. Lane | Improvement in head-blocks | sawmill headblocks |
| 134,653 | Jan. 07, 1873 | H.D. Dann | Improvement in sawmill-dogs | sawmill dogs |
| 134,795 | Jan. 14, 1873 | W. Gowen | Improvement in saw-mills | sawmill set works |
| 139,264 | May 27, 1873 | A. Rodgers | Improvement in saw-mill head-blocks | sawmill headblocks |
| 140,442 | Jul. 01, 1873 | J. Taber | Improvement in dogs for circular-saw mills | sawmill dogs |
| 145,026 | Nov. 25, 1873 | E.H. Stearns | Improvement in saw-mill dogs | sawmill dogs |
| 158,693 | Jan. 12, 1875 | W.M. Ferry | Improvement in saw-mill dogs | sawmill dogs |
| 160,983 | Mar. 16, 1875 | F.N. Whitcomb | Improvement in head-blocks for saw-mills | sawmill headblocks |
| 163,309 | May 18, 1875 | C.R. Ely | Improvement in head-blocks for saw-mills | sawmill headblocks |
| 222,915 | Dec. 23, 1879 | D. Lane | Improvement in head-blocks for saw-mills | sawmill headblocks |
| 230,070 | Jul. 13, 1880 | E.C. Schermerhorn | Shingle-machine | shingle machines |
| 232,302 | Sep. 14, 1880 | J.A. Reynolds | Elevated scale-beam for head-blocks | sawmill headblocks |
| 233,409 | Oct. 19, 1880 | W. Gowen | Set-work for saw-mills | sawmill set works |
| 235,833 | Dec. 21, 1880 | S. White | Head-block for saw-mills | sawmill headblocks |
