| Patents for John Johnston |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 78,752 | Jun. 09, 1868 | T. Milner | Improvement in circular-saw guides |
 | 533,978 | Feb. 12, 1895 | J. Johnston, A. Whitney | Milling-machine |
 | 635,976 | Oct. 31, 1899 | J. Johnston, J.C. Potter | Lathe-chuck |
 | 649,175 | May 08, 1900 | J. Johnston, J.C. Potter | Shaping Machine |
 | 761,905 | Jun. 07, 1904 | J.C. Potter, J. Johnston, E.B. Sellew | Gearing |
 | 772,477 | Oct. 18, 1904 | J. Johnston, J.C. Potter | Turret-lathe |
 | RE12,287 | Nov. 22, 1904 | J. Johnston, J.C. Potter | Shaping Machine |
 | 849,697 | Apr. 09, 1907 | J.C. Potter, J. Johnston | Clutch |
 | 887,197 | May 12, 1908 | J. Crahan, J. Johnston | Saw set |
 | 942,843 | Dec. 07, 1909 | J.C. Potter, J. Johnston | Gearing |
