| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for R. W. Johnston | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 220,291 | Oct. 07, 1879 | J. Kesselmeier | Improvement of Watchmakers Lathes | |
 | 286,409 | Oct. 09, 1883 | L. Emery, F.B. Stebbins | Cutter-head | |