| All Patents in class 74/324 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 342,064 | May 18, 1886 | W. Butler | Straw Stacker | hay or straw stackers |
| 731,087 | Jun. 16, 1903 | Z.R. Tucker | Carriage Reversing Mechanism for Grinding Machines | cylindrical grinders |
| 2,010,366 | Aug. 06, 1935 | B.A. Kearns | Grinding Machine | grinding machines |
| 2,309,668 | Feb. 02, 1943 | J.E. Poorman | Grinding Machine | surface grinders |
| 2,309,669 | Feb. 02, 1943 | J.E. Poorman | Grinding Machine | surface grinders |
| 2,343,577 | Mar. 07, 1944 | J.E. Poorman | Grinding Machine | surface grinders |
| 2,384,044 | Sep. 04, 1945 | J.E. Poorman | Reversing Mechanism | metalworking speed changing mechanisms |
| 2,814,007 | Nov. 19, 1957 | C.E. Greene, R.B. Lesher | Automatic Cycle Machine Tool | automatic lathes |
