| X Patents |
Patents 526 -
540
of 9755
      |
| Number | Date | Patentee | Title | Type |
| 526X | Feb. 27, 1804 | J. Worrell | Clover Huller | clover hullers |
| 527X | Feb. 29, 1804 | D.S. Dean | Cloth washing machine | washing machines |
| 528X | Mar. 05, 1804 | D.M. Miller | Pump | plumber |
| 529X | Mar. 05, 1804 | A. Robertson | Mode of Preparing Marble for Painting On | painter |
| 530X | Mar. 08, 1804 | D.M. Miller | Improvement in Window Fastenings or Springs for Fastening and Supporting Sash-Weights | door and window hardware |
| 531X | Mar. 10, 1804 | S.P. Lord, Jr. | Improvement in Extinguishing Fires in Houses | fire extinguishers |
| 532X | Mar. 16, 1804 | M. Smith | Machine for watering cattle | |
| 533X | Mar. 19, 1804 | W. Jackson, W. Gilman | Improvement in the Bedstead, So Constructed That It May Be Taken Down and Removed by One Person in Case of Fire or on Other Occasions With Much Ease and Expedition | beds and bedsteads |
| 534X | Mar. 19, 1804 | A. Frost | Machine for preparing tow for paper | printer |
| 535X | Mar. 19, 1804 | B. Tyler | Wry Fly Applied to Mills | water wheels |
| 536X | Mar. 23, 1804 | J. Williams | Inclined Plane, Statical Wheel | inclined planes |
| 537X | Mar. 24, 1804 | G.W. Robinson | Button Machine | button making machinery |
| 538X | Mar. 24, 1804 | A. Hunn | Machine for the improvement of navigation | shipwright |
| 539X | Mar. 31, 1804 | J. Naylor | Improved still and boiler | steam stills |
| 540X | Mar. 31, 1804 | P. Daniel | Mode of making shot | gunsmith |
