| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for A. L. Simpson | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 16,185 | Dec. 09, 1856 | H. Osgood | Planing-machine | wood planers | |
| 30,009 | Sep. 11, 1860 | J.W. Strange | Spring Dividers | calipers | |
| 47,597 | May 02, 1865 | W.R. Close | Improvement in hanging circular saws | circular saws | |
| 51,931 | Jan. 09, 1866 | S. Darling | Inkstand | draftsman | |
| 73,956 | Feb. 04, 1868 | S. Darling | Improved Pen Cleaner | draftsman | |
| RE2,869 | Feb. 18, 1868 | S. Darling | Improvement in the Manufacture of Metallic Squares | try squares | |