Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 451/272 | |||||
Number | Date | Patentee | Title | Type | |
534,470 | Feb. 19, 1895 | G.H. Fowler | Harvester-knife grinder | sharpeners | |
2,142,923 | Jan. 03, 1939 | R.P. Stocking | Drill grinding machine | drill grinders |