| All Patents in class 451/143 |
Patents 1 -
15
of 74
      |
| Number | Date | Patentee | Title | Type |
| 95,988 | Oct. 19, 1869 | A.G. Coes | Sharpening Machine | cutter grinding |
| 99,970 | Feb. 15, 1870 | J. Swan | Machine for Grinding & Polishing Bits | making drills and augers |
| 156,989 | Nov. 17, 1874 | H. Disston | Improvement in Saw Grinding Machines | making sawblades |
| 172,134 | Jan. 11, 1876 | G.G. Lobdell | Improvement in lathes for turning wheels and axles | car wheel lathes |
| 215,901 | May 27, 1879 | C. Fest | Grinding Lathe | metal lathe accessories and attachments |
| 333,478 | Dec. 29, 1885 | E.H. Parks | Grinding Machine | cylindrical grinders |
| 370,003 | Sep. 13, 1887 | C.M. Brown | Grinding Lathe | cylindrical grinders |
| 407,577 | Jul. 23, 1889 | J.D. Cox, Jr. | Machine for back-clearing twist-drills | tool making machines |
| 427,091 | May 06, 1890 | A.B. Landis | Grinding-machine | grinders |
| 429,698 | Jun. 10, 1890 | C.H. Norton | Grinding Machine | grinders |
| 446,148 | Feb. 10, 1891 | A.B. Landis | Grinding-machine | grinders |
| 447,825 | Mar. 10, 1891 | F. Higgins | Reversing Mechanism for Lathes | metal lathe accessories and attachments |
| 463,747 | Nov. 24, 1891 | F. Martin | Finishing or Sizing Lathe | metal lathes |
| 483,288 | Sep. 27, 1892 | A.B. Landis | Grinding-machine | grinders |
| 493,738 | Mar. 21, 1893 | A. Streit | Pulley-lathe | metal lathes |
