| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for George V. Johnston | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 1,834,158 | Dec. 01, 1931 | G.V. Johnston | Grinding Machine | grinding machines | |
| 2,073,079 | Mar. 09, 1937 | W. Peaslee, G.V. Johnston, F.J. Theler | Lapping Machine | grinding machines | |