| Patents for John Walker |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 25,778 | Oct. 11, 1859 | J. Walker | Locomotive crosscut-sawing machine |
| | 336,362 | Feb. 16, 1886 | J. Walker | Tool Holder |
 | 362,981 | May 17, 1887 | F.E. Leslie | Tobacco Plug Extractor |
 | 401,968 | Apr. 23, 1889 | J. Walker, J. Richards | Machine for driving mandrels, keys, &c. |
 | 414,615 | Nov. 05, 1889 | J. Walker | Tension Registering Wrench |
| | 449,392 | Mar. 31, 1891 | J. Walker | Lathe and Planer Attachment |
| | 451,092 | Apr. 28, 1891 | J. Walker | Boring Attachment for Lathes |
 | 496,676 | May 02, 1893 | J. Walker | Gear-cutting machine |
