| All Patents in class 451/332 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 1,264,928 | May 07, 1918 | L.R. Heim | Device for Feeding Rolls for End Grinding |
 | 1,415,530 | May 09, 1922 | F.M. Davis | Feeding and clamping means for metal-working machines |
| | 1,576,820 | Mar. 16, 1926 | F.E. Gardner | Grinding machine |
| | 1,599,374 | Sep. 07, 1926 | H.F. Skillings | Grinding Machine |
| | 1,628,618 | May 10, 1927 | H.K. Spencer | Means For Handling Articles |
| | 1,991,712 | Feb. 19, 1935 | F.J. Theler | Grinding Machine |
| | 2,252,594 | Aug. 12, 1941 | G.A. Carlson | Rotary work holding machine |
 | 2,706,369 | Apr. 19, 1955 | E.L. Dix | Centerless grinding machine with loading and unloading mechanism |
