| All Patents in class 451/135 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 879,277 | Feb. 18, 1908 | A.B. Landis | Grinding-machine |
| | 1,252,162 | Jan. 01, 1918 | E. Bahnik, J. Pauer | Grinding Machine |
| | 1,263,559 | Apr. 23, 1918 | H. Kaetker | Cylinder Grinder |
| | 1,269,506 | Jun. 11, 1918 | E. Preston | Grinder |
| | 1,476,385 | Dec. 04, 1923 | A. White | Indicator |
 | 1,577,478 | Mar. 23, 1926 | L.C. Marburg | Cylinder-grinding attachment |
 | 1,624,211 | Apr. 12, 1927 | W.L. Bryant | Multispindle internal-combustion machine |
| | 1,717,899 | Jun. 18, 1929 | G.D. Sundstrand | Grinding Machine |
| | 2,039,349 | May 05, 1936 | E.G. Roehm, M. Romaine | Planetary Milling Machine |
 | 2,405,748 | Aug. 13, 1946 | W. Johnson | Internal Grinder |
