| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 172/421 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 134,540 | Jan. 07, 1873 | G.A. Groves | Gang-Plows | plows | |
| 359,125 | Mar. 08, 1887 | J.G. Cockshutt, E.H. Bond | Riding-plow | plows | |
| 472,302 | Apr. 05, 1892 | J.H. Linebarger | Plow | plows | |