| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 228/30 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 331,527 | Dec. 01, 1885 | C.W. Nason | Machine for Welding Plugs in the Ends of Tubes | welding apparatus | |
| 1,282,163 | Oct. 22, 1918 | N.D. Abbey | Welder | welding machines | |