Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1812-06-13 | |||||
Number | Date | Patentee | Title | Type | |
1,752X | Jun. 13, 1812 | A.H. Quincy | Stone boiler for refining sulphur and for chemical purposes | stationary boilers | |
1,753X | Jun. 13, 1812 | A.H. Quincy | Foot stove with stone heaters | stoves | |
1,754X | Jun. 13, 1812 | W.W. Townsend | Cheese press | cheese press | |
1,755X | Jun. 13, 1812 | R. Valentine | Machine for heating liquids | ||
1,756X | Jun. 13, 1812 | R.R. Livingston | Chain wheels and paddles for boats | nautical propulsion apparatus |