| All Patents in class 451/437 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 482,212 | Sep. 06, 1892 | W.W. Tucker | Grinding Fixture | grinding fixtures |
| 544,288 | Aug. 13, 1895 | H.W. Cole | Lathe for irregular shapes | pattern lathes |
| 680,863 | Aug. 20, 1901 | H.W. Honeyman | Grinding device | grinders |
| 1,260,080 | Mar. 19, 1918 | J.W. Singer | Cylinder Grinder | metal lathe accessories and attachments |
| 1,268,186 | Jun. 04, 1918 | D. Vandewater | Grinding Attachment for Lathes | metal lathe accessories and attachments |
| 1,278,588 | Sep. 10, 1918 | J. Cameron | Cylinder Grinder | |
| 1,445,857 | Feb. 20, 1923 | W.N. Stevens | Cylinder Grinding Machine | cylindrical grinders |
| 1,577,478 | Mar. 23, 1926 | L.C. Marburg | Cylinder-grinding attachment | cylindrical grinders |
