| Patent XC6 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| XC-6 | Oct. 31, 1826 | C. Laurier | Machine or instrument called 'Loch Terrestre,' for accurately ascertaining the number of rotatory motions or revolutions of carriage-wheels, millstones, &c. | rpm speed gauges and tachometers |
| 6 | Aug. 10, 1836 | T. Blanchard | Machine for forming end pieces of plane blocks for ships, &c. | molders |
| NS-6 | Apr. 09, 1838 | D.H. Dickey | Instrument for drawing teeth | dental tools |
| RX-6 | Dec. 04, 1838 | A.D. Spoor | Improved Stove for Burning Anthracite and other Coal | stoves |
| NF-6 | Jul. 25, 1853 | S.G. Archibald | New process for rendering and manufacturing cod liver and other animal oils | |
| CS-6 | Aug. 08, 1861 | J.W. Frazier | Wheels for Steamboats | steamboats |
