| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for David Stem | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 6,287X | Dec. 14, 1830 | D. Stem | Reciprocating saw mill | reciprocating sawmills | |
| 6,887X | Jan. 05, 1832 | D. Stem | Stones for grist mills | miller | |