| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Harry De Wolf | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 382,431 | May 08, 1888 | A.D. Little | Machine for making excelsior | excelsior machines | |
| 430,133 | Jun. 17, 1890 | A.M. Little | Mandrel for key-seat-cutting machines | broaching machines | |