| All Patents in class 144/231 |
Patents 16 -
30
of 56
      |
| Number | Date | Patentee | Title | Type |
| 82,699 | Oct. 06, 1868 | W.G. Farmer | Improvement in cutter-heads | cutterheads |
| 86,605 | Feb. 02, 1869 | I.P. Tice | Improvement in molding-machines | wood shapers |
| 98,124 | Dec. 21, 1869 | H. Thompson | Improvement in cutter-head | cutterheads |
| 98,396 | Dec. 28, 1869 | R.N. Meriam | Improvement in cutter-heads | cutterheads |
| 102,222 | Apr. 26, 1870 | M.W. Clark | Improvement in cutter-head | cutterheads |
| 118,907 | Sep. 12, 1871 | M.W. Clark | Improvement in cutter-heads for molding-machines | cutterheads |
| 142,548 | Sep. 09, 1873 | J. Alloways | Improvement in cutter-heads for molding-machines | cutterheads |
| RE5,721 | Jan. 06, 1874 | J.P. Grosvenor | Improvement in machines for cutting irregular forms | wood lathes |
| 162,343 | Apr. 20, 1875 | J.H. Blaisdell | Improvement in molding-machines | molders |
| 191,878 | Jun. 12, 1877 | C.R. Patterson | Shaper cutter-head | cutterheads |
| 192,242 | Jun. 19, 1877 | J. Du Bois | Improvement in cutter-heads | cutterheads |
| 211,480 | Jan. 21, 1879 | S.J. Shimer, G.J. Shimer | Improvement in reversible cutter-heads | cutterheads |
| 213,607 | Mar. 25, 1879 | J.G. Baker | Improvement in machines for rounding the inner and outer edges of wooden rings | specialty woodworking machines |
| 222,510 | Dec. 09, 1879 | F. Krein | Cutter-head for hame-dressing machine | cutterheads |
| 249,121 | Nov. 01, 1881 | J.C. Tunnicliff | Cutter-head for rounding fellies | cutterheads |
