| All Patents in class 451/259 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 12,820 | May 08, 1855 | B. Hardinge | Facing Bed for Grinding Artificial Granite, Etc. |
 | 417,615 | Dec. 17, 1889 | A. Webster | Machine for Grinding Lathe Beds |
| | 1,100,722 | Jun. 23, 1914 | B.L. Fry | Grinder |
 | 1,244,584 | Oct. 30, 1917 | R.L. Carter | Disk grinder |
| | 1,405,922 | Feb. 07, 1922 | C. Knowles | Wheel Guard for Grinding Machines |
 | 1,452,209 | Apr. 17, 1923 | J. Miller, Jr. | Disk grinder |
| | 1,548,562 | Aug. 04, 1925 | H.K. Spencer | Means For And Method Of Handling Work Pieces |
| | 2,175,057 | Oct. 03, 1939 | B.A. Kearns | Spindle Reciprocating Mechanism for Grinding Machines |
 | 2,374,716 | May 01, 1945 | C.A. Wiken | Grinder |
 | D161,484 | Jan. 02, 1951 | C.Y. McQuown | Polishing machine |
