| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Laban L. Macomber | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,302X | Dec. 31, 1825 | L.L. Macomber | Mode of planking wool hats by machinery | trade specific | |
| 6,344X | Jan. 19, 1831 | L.L. Macomber | Composition for stiffening hats | ||
| 6,793X | Oct. 11, 1831 | L.L. Macomber | Manufacturing caps and rendering them water proof | ||