| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 261/8 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 245,776 | Aug. 16, 1881 | B. Brazelle | Feed-water heater and purifier | feedwater apparatus | |
| 981,188 | Jan. 10, 1911 | F.G. Hobart, W.W. Gore | Gas Cleaning Apparatus | gas cleaning apparatus | |