| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 175/400 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 574,980 | Jan. 12, 1897 | C. Bornet | Bit or Drill for Borers, &c., and Manufacture of Same | stone boring and drilling machines | |
| 945,735 | Jan. 04, 1910 | M. Hartsocg | Bit-chuck and bit | ||