| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Charles L. Coffin | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 435,283 | Aug. 26, 1890 | C.L. Coffin | Method of and Apparatus for Welding by Electricity | |
| 543,654 | Jul. 30, 1895 | F.B. Rae | Electric Soldering Iron | ||