| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for E. B. Rich & Son | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 409,337 | Aug. 20, 1889 | E.B. Rich | Machine for grinding knives and saws | sharpening machines | |
| 438,861 | Oct. 21, 1890 | E.B. Rich | Saw-swaging machine | saw sharpening machines | |