| Patents for Roderick P. Curtis |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 270,407 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 270,408 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 270,409 | Jan. 09, 1883 | W.D. Forbes | Screw-threading machine | pipe threading machines |
| 437,291 | Sep. 30, 1890 | R.P. Curtis | Machine for Simultaneously Threading a Plurality of Bolts | metal threading machines |
| 443,500 | Dec. 30, 1890 | L.B. Curtis, R.P. Curtis | Pipe Threading Machine | pipe threading machines |
| 443,501 | Dec. 30, 1890 | R.P. Curtis | Pipe Threading Machine | pipe threading machines |
| 443,502 | Dec. 30, 1890 | R.P. Curtis | Pipe Threading Machine | pipe threading machines |
