| All Patents in class 451/237 |
Patents 16 -
30
of 72
      |
| Number | Date | Patentee | Title | Type |
| 145,546 | Dec. 16, 1873 | J. Ames, Jr. | Improvement in machines for shaping brush-woods | specialty woodworking machines |
| 151,669 | Jun. 02, 1874 | M. Newman | Improvement in metal shaping and dressing machines | surface grinders |
| 164,897 | Jun. 22, 1875 | A. Wood | Machine for Grinding Pulleys | cylindrical grinders |
| 187,770 | Feb. 27, 1877 | L. Sharpe, executor, C.D. Owen, executor, J.R. Brown (deceased), estate of | Grinding Machine | cylindrical grinders |
| 231,341 | Aug. 17, 1880 | J.P. McKinley | Saw-mill head-block | sawmill headblocks |
| 285,931 | Oct. 02, 1883 | F.H. Richards | Lathe for irregular forms | pattern lathes |
| 332,578 | Dec. 15, 1885 | T.H. Worall | Taper and Pulley Turning Attachment for Lathes | metal lathe accessories and attachments |
| 349,343 | Sep. 21, 1886 | V.H. Ernst | Machine for turning irregular forms | pattern lathes |
| 397,888 | Feb. 19, 1889 | S.T. Barras | Profile-cutting machine | |
| 404,329 | May 28, 1889 | M.I. Welch | Saw sharpener and gummer | saw sharpening machines |
| 487,140 | Nov. 29, 1892 | C.A. Worden | Machine for sharpening razors | |
| 502,401 | Aug. 01, 1893 | M.P. Hodge | Taper Attachment for Lathes | metal lathe accessories and attachments |
| 544,891 | Aug. 20, 1895 | W.F. Gilman | Lathe for turning lasts, &c. | pattern lathes |
| 606,155 | Jun. 21, 1898 | W.S. Richards | Routing-machine | routing machines |
| 612,239 | Oct. 11, 1898 | L.E. Harper, C.L. Grohmann | Machine for dressing metals or other materials | bicycle machinery |
