| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 29/55 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 120,044 | Oct. 17, 1871 | F. Curtis | Improvement in machines for making machine screws | screw machines | |
| RE9,086 | Feb. 17, 1880 | F. Curtis | Machine for making machine-screws | screw machines | |
| 851,742 | Apr. 30, 1907 | W.H. Gates | Screw Machine | screw machines | |