| X Patents |
Patents 661 -
675
of 9755
      |
| Number | Date | Patentee | Title | Type |
| 661X | Feb. 14, 1806 | G. Richards | Machine for making dough | |
| 662X | Feb. 14, 1806 | T. Burr | Bridges | truss bridges |
| 663X | Feb. 19, 1806 | J. Hawkins | Planing machine | wood planers |
| 664X | Feb. 19, 1806 | S. Hawkins | Gun carriages | |
| 665X | Feb. 21, 1806 | J. Eveleth | Machine for raising mud | |
| 666X | Feb. 28, 1806 | I. Newton | Medicine called the essence of tansy | |
| 667X | Mar. 01, 1806 | J.F. Gould | Machine for making brick | brick maker |
| 668X | Mar. 05, 1806 | R. Howell | Suspenders | |
| 669X | Mar. 05, 1806 | T. Arnold | Evaporation | |
| 670X | Mar. 07, 1806 | S. Dickey | Stoves | stoves |
| 671X | Mar. 08, 1806 | J.F. Gould | Tilt hammers | blacksmith |
| 672X | Mar. 08, 1806 | J.S. Mott | Wood planing machine | wood planers |
| 673X | Mar. 17, 1806 | R. Gaines | Balance Pendulum Lock | clockmaker |
| 674X | Mar. 19, 1806 | W. Purden | Hoisting machine | |
| 675X | Mar. 21, 1806 | G. Youle | Cabouse | |
