| All Patents in class 451/285 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 195,021 | Sep. 11, 1877 | F. Kesseler | Stone Lathes |
| | 293,398 | Feb. 12, 1884 | W.P. Barclay | Abrading Tool |
| | 487,741 | Dec. 13, 1892 | J. Huebner | Device for Grinding Button Blanks |
| | 513,632 | Jan. 30, 1894 | R. Conrader | Machine for Grinding Spherical or Other Curved Surfaces |
| | 553,225 | Jan. 21, 1896 | B.F. Barnes | Pulley Facing Machine |
| | 659,868 | Oct. 16, 1900 | C.C. Hickel | Singletree and Neck Yoke Lathe |
| | 699,368 | May 06, 1902 | D.T. Clemons | Sanding and polishing machine |
| | 1,182,861 | May 09, 1916 | H.K. Spencer | Metal Working Tool |
| | 1,262,529 | Apr. 09, 1918 | C.A. Lowe | Grinding Mill |
| | 1,263,057 | Apr. 16, 1918 | J.T. Griffin | Mica Grinding Machine |
