| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | Patent number: | Patent Date: |
| Patents for Chicago Quadrill Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,481,642 | Sep. 13, 1949 | C.A. Grunschel, C.S. Bohmer | Multiple Tool Head | drill press accessories | |