| Patents Granted on 1809-05-?? |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 1,040X | May 01, 1809 | W. Stubbs | Tide Water or River Wheel | tide mills |
| 1,041X | May 05, 1809 | M. Kies | Weaving straw with silk or thread | weaver |
| 1,042X | May 08, 1809 | J. Woodcock | Machine for splitting leather and skins | splitting and shearing machinery |
| 1,043X | May 08, 1809 | L. Kendall | Balance spring catch lever | |
| 1,044X | May 09, 1809 | H. Dickerman | Churns | churns |
| 1,045X | May 09, 1809 | N. Jones | Wooden combs | comb making machines |
| 1,046X | May 10, 1809 | G. Votee | Churns | churns |
| 1,047X | May 13, 1809 | P. Allen | Cheese press | cheese press |
| 1,048X | May 15, 1809 | S. DeRiemer | Compounding a blue color as a substitute for indigo | |
| 1,049X | May 15, 1809 | O. Chatfield | Washing machine | washing machines |
| 1,050X | May 21, 1809 | N. Van Zandt | Washing machine | washing machines |
| 1,051X | May 25, 1809 | R. Haskell | Straw Cutting Machine | hay or straw cutters |
