| X Patents |
Patents 676 -
690
of 9755
      |
| Number | Date | Patentee | Title | Type |
| 676X | Mar. 21, 1806 | E. Mack | Dressing flax | flax and hemp machines |
| 677X | Mar. 22, 1806 | D. Pettibone | Mode of Welding Cast Steel to Iron | blacksmith |
| 678X | Mar. 26, 1806 | J. Kennion | Fulling mill and washing machine | miller |
| 679X | Mar. 31, 1806 | A. Guild | Carding machine to form bats for wool hats | cloth carding machines |
| 680X | Mar. 31, 1806 | S. Payn | Machine for splitting skins | leatherworker |
| 681X | Apr. 01, 1806 | R. Tripe | Diving machines | |
| 682X | Apr. 05, 1806 | I. Quintard | Cider and bark mills | bark processing machines |
| 683X | Apr. 17, 1806 | J. Heavin | Propelling boats up rivers by cranks and setting poles | nautical propulsion apparatus |
| 684X | Apr. 17, 1806 | J. Heavin | Machine for cutting straw | hay or straw cutters |
| 685X | Apr. 25, 1806 | J. Quinby | Saw mills | sawmills |
| 686X | May 01, 1806 | E. Hubbel | Water wheels for mills | water wheels |
| 687X | May 02, 1806 | C. Varle | Reducing calcareous matters into lime | |
| 688X | May 19, 1806 | J. Edwards | Steelyards | steel maker |
| 689X | May 19, 1806 | J. Edwards | Scale beams and balances | scales and balances |
| 690X | May 21, 1806 | G. Youle | Caboose stove, apparatus for cooking and distilling, etc. | distilling apparatus |
