| Patents for Thomson Electric Welding Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 423,979 | Mar. 25, 1890 | J. Tregoning, C.G. Anderson | Burr Remover | metalworking machines |
| 434,530 | Aug. 19, 1890 | E. Thomson | Process of and Apparatus for Forming and Welding Metals by Electricity | welding apparatus |
| 434,531 | Aug. 19, 1890 | E. Thomson | Induction Discharge Protector for Welding Appatatus | welding apparatus |
| 434,532 | Aug. 19, 1890 | E. Thomson | Process of Electric Welding | welding |
| 458,115 | Aug. 18, 1891 | E. Thomson | Method of Electric Bending and Straightening | metal bending machines |
| 501,547 | Jul. 18, 1893 | E. Thomson | Shaping and Spinning Metals by Electricity | electrical discharge machining |
