Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 73/300 | |||||
Number | Date | Patentee | Title | Type | |
287 | Jul. 19, 1837 | J. Ericsson, F.B. Ogden | Sounding instrument for ascertaining the depth of water in seas, rivers, &c. | nautical apparatus |