| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 384/610 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 935,452 | Sep. 28, 1909 | M. Backstrom | Ball-bearing | drill presses | |
| 1,059,313 | Apr. 15, 1913 | H.A. Perkins | Step bearing for machinery | woodworking machine mechanisms | |