| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Wais & Roos Punch & Shear Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 271,956 | Feb. 06, 1883 | C. Wais | Sheet-metal-shearing machine | metalworking machines | |
| 312,236 | Feb. 10, 1885 | C. Wais | Sheet-metal-cutting machine | metalworking machines | |
| 373,033 | Nov. 08, 1887 | C. Wais | Sheet-metal-shearing machine | metalworking machines | |