| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 221/190 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 394,170 | Dec. 11, 1888 | C.H. Graham | Blank Feeder and Gripping Die for Bolt Turning Machines | ||
 | 549,190 | Nov. 05, 1895 | W.R. Fox | Rivet-making machine | |