| X Patents |
Patents 556 -
570
of 9755
      |
| Number | Date | Patentee | Title | Type |
| 556X | May 10, 1804 | A.D. Allen | Plane for Making Bonnets | splint planes |
| 557X | May 12, 1804 | E. Crafts, Jr. | Furnace for making pot and pearl ashes with the manner of using and the materials of which the same is composed | industrial furnaces |
| 558X | May 16, 1804 | E. Weld | Machine for making salt | salt making apparatus |
| 559X | May 17, 1804 | M. McJames, M. Simon | Cotton Cleaner | miller |
| 560X | Jun. 08, 1804 | M. French, M. Allison | Nail Machine | nail making machines |
| 561X | Jun. 08, 1804 | A. Spencer | Improvement in making thimbles | |
| 562X | Jun. 30, 1804 | W. Tunstall | Machines for Clearing Grain From Straw | fanning mills |
| 563X | Jul. 07, 1804 | B. Folger | Raising of water | plumber |
| 564X | Jul. 12, 1804 | L. Osborn | Fulling Mill | miller |
| 565X | Jul. 12, 1804 | J. Deaver | Plow | plows |
| 566X | Jul. 12, 1804 | C. Hoxie | Auger | auger bits |
| 567X | Jul. 12, 1804 | T. Power | Improvement in the Lime Kiln | kilns |
| 568X | Aug. 10, 1804 | C. Veltenair | Metallic Grinder or Hone | honing tools |
| 569X | Aug. 21, 1804 | N. Boureau | Nail Machine | nail making machines |
| 570X | Aug. 28, 1804 | W. Harrington | Water Elevator | water elevators |
