| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Vigo Emilius Theophilius Clausen | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 517,029 | Mar. 27, 1894 | C.T. Clausen | Instrument for adjusting the magnetic deviation of the mariners' compass | |