| All Patents in class 451/285 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 195,021 | Sep. 11, 1877 | F. Kesseler | Stone Lathes | stoneworking lathes |
| 293,398 | Feb. 12, 1884 | W.P. Barclay | Abrading Tool | lathe tools |
| 487,741 | Dec. 13, 1892 | J. Huebner | Device for Grinding Button Blanks | button making machinery |
| 513,632 | Jan. 30, 1894 | R. Conrader | Machine for Grinding Spherical or Other Curved Surfaces | grinding machines |
| 553,225 | Jan. 21, 1896 | B.F. Barnes | Pulley Facing Machine | |
| 659,868 | Oct. 16, 1900 | C.C. Hickel | Singletree and Neck Yoke Lathe | pattern lathes |
| 699,368 | May 06, 1902 | D.T. Clemons | Sanding and polishing machine | sanding machines |
| 1,182,861 | May 09, 1916 | H.K. Spencer | Metal Working Tool | dial indicator gauges |
| 1,262,529 | Apr. 09, 1918 | C.A. Lowe | Grinding Mill | |
| 1,263,057 | Apr. 16, 1918 | J.T. Griffin | Mica Grinding Machine | |
| 1,268,967 | Jun. 11, 1918 | J.W. Hampton | Grinding Machine | |
| 1,274,591 | Aug. 06, 1918 | C.E. Quimby | Grinder | |
| 1,647,131 | Nov. 01, 1927 | L.R. Heim | Grinding | grinding machines |
| 3,003,291 | Oct. 10, 1961 | A.D. Stuckey | Mechanism for Shoulder Grinding | grinding machines |
| 3,685,393 | Aug. 22, 1972 | R.M. Bell | Device for smoothing irregularities | |
