| Patents for Potter & Johnston Machine Co. |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 635,976 | Oct. 31, 1899 | J. Johnston, J.C. Potter | Lathe-chuck |
 | 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 |
 | 942,843 | Dec. 07, 1909 | J.C. Potter, J. Johnston | Gearing |
 | 991,886 | May 09, 1911 | J. Johnston, J.C. Potter | Turret Lathe |
 | 1,028,605 | Jun. 04, 1912 | J.C. Potter | Bar-turning tool |
 | 1,098,167 | May 26, 1914 | J.C. Potter | Metal-sawing machines |
 | 1,109,301 | Sep. 01, 1914 | J.C. Potter | Tool for machining bevel-gear blanks and other objects with inclined surfaces |
 | 1,115,972 | Nov. 03, 1914 | J.C. Potter | Automatic turret-lathe |
