| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 384/532 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 686,617 | Nov. 12, 1901 | H.B. Keiper | Ball-retainer | industrial machine bearings | |
| 1,170,072 | Feb. 01, 1916 | H.B. Keiper | Ball-retainer | industrial machine bearings | |