| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Michael D. Schaller | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 508,845 | Nov. 14, 1893 | M.D. Schaller | Ratchet Wrench | ratchet wrenches | |
| 573,487 | Dec. 22, 1896 | M.D. Schaller | Wrench | ratchet wrenches | |