| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for B. F. Witt | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 410,670 | Sep. 10, 1889 | C.D. Jenney | Brush-holder for dynamo-electric machines | motor brush holders | |