| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for J. J. Robbins | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 98,014 | Dec. 21, 1869 | E.C. Barton | Improvement in boring-machine | drilling and boring | |
| 415,323 | Nov. 19, 1889 | C.M. Frank | Anti-friction way for shingle-sawing machines | shingle machines | |