| Patents for John Walker |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 25,778 | Oct. 11, 1859 | J. Walker | Locomotive crosscut-sawing machine | reciprocating sawmills |
| 336,362 | Feb. 16, 1886 | J. Walker | Tool Holder | metal lathe accessories and attachments |
| 362,981 | May 17, 1887 | F.E. Leslie | Tobacco Plug Extractor | tobacco machinery |
| 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 | torque wrenches |
| 449,392 | Mar. 31, 1891 | J. Walker | Lathe and Planer Attachment | metal lathe accessories and attachments |
| 451,092 | Apr. 28, 1891 | J. Walker | Boring Attachment for Lathes | lathe tools |
| 496,676 | May 02, 1893 | J. Walker | Gear-cutting machine | gear making machines |
