| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Darling & Schwartz | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 9,976 | Aug. 30, 1853 | S. Darling | Apparatus for Grinding & Shaping Metals | surface grinders | |
| 18,327 | Oct. 06, 1857 | S. Darling | Manufacture of Metallic Squares | try squares | |
| 34,248 | Jan. 28, 1862 | G.F. Evans | Improvement in Plane-Stocks | circular planes | |