| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for William O. Robbins | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 97,553 | Dec. 07, 1869 | W.O. Robbins, C.W. Stafford | Improvement in machines for preparing paving-blocks | specialty woodworking machines | |
| 97,554 | Dec. 07, 1869 | W.O. Robbins, C.W. Stafford | Improvement in machinery for preparing wooden blocks for pavement | specialty woodworking machines | |