| All Patents in class 29/DIG.101 |
Patents 16 -
30
of 72
      |
| Number | Date | Patentee | Title | Type |
| 427,091 | May 06, 1890 | A.B. Landis | Grinding-machine | grinders |
| 432,791 | Jul. 22, 1890 | D.H. Church | Lathe for Turning Pinion Shafts | watchmakers lathes |
| 446,148 | Feb. 10, 1891 | A.B. Landis | Grinding-machine | grinders |
| 461,587 | Oct. 20, 1891 | C.H. Norton | Stand for Grinding and Polishing Wheels | polishing and buffing machinery |
| 465,376 | Dec. 15, 1891 | A. Johnston | Means for Grinding Cutlery or Other Articles | sharpening apparatus |
| 465,478 | Dec. 22, 1891 | A. Johnston | Grinding Machine | sharpening apparatus |
| 472,712 | Apr. 12, 1892 | J. McKenna | Bed for metal-working machines | metalworking machines |
| 535,487 | Mar. 12, 1895 | Z.B. Coes | Turret Lathe | turret lathes |
| 553,828 | Feb. 04, 1896 | C.W. Blood | Grinding-machine | |
| 562,268 | Jun. 16, 1896 | F. Ashton | Apparatus for Grinding Parallel Spindles Rods or Shafts | cylindrical grinders |
| 569,902 | Oct. 20, 1896 | F.E. Wells, W.C. Wells | Machine for Making Nipples | pipe making machines |
| 618,293 | Jan. 24, 1899 | G.J. Ridley | Water-feeding device for grinding-wheels | tool grinders |
| 779,646 | Jan. 10, 1905 | G. Gorton | Grinding Machine | grinding machines |
| 838,556 | Dec. 18, 1906 | H. Lutter, E.A. Gies | Grinding-machine | bench or pedestal grinders |
| 909,893 | Jan. 19, 1909 | B.M. Hanson | Bearing Guard | |
