| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Roberts Duplex Planing Machine Tool Co. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 307,926 | Nov. 11, 1884 | W.M. Dwight | Planer-matcher for making flooring and ceiling | ||
 | 308,801 | Dec. 02, 1884 | J.A. Roberts | Planing and matching machine | |
 | 309,339 | Dec. 16, 1884 | W.M. Dwight | Planing and matching machine | |
| 311,679 | Feb. 03, 1885 | J.A. Roberts | Cutter-head | ||
| 322,324 | Jul. 14, 1885 | J.A. Roberts | Feed-roll | ||