| Patents Granted on 1819-12-__ |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 3,143X | Dec. 02, 1819 | J.B. Pignatelli | Machine for making paper | |
| 3,144X | Dec. 08, 1819 | S. Willard | Improvement in clocks | clockmaker |
| 3,145X | Dec. 13, 1819 | W. Barton | Method of shoeing sledges, sleds, sleighs, etc. | |
| 3,146X | Dec. 14, 1819 | J. Cooper | Archimedean screw | |
| 3,147X | Dec. 14, 1819 | F. Kalisky | Improvement in the apparatus for distilling | distilling apparatus |
| 3,148X | Dec. 15, 1819 | A. Jaque, E. Hotchkiss | Cloth shearing machine | splitting and shearing machinery |
| 3,149X | Dec. 15, 1819 | J. Hale | Churn | churns |
| NX-181,912,151 | Dec. 15, 1819 | S. Hawes | Carpenters Square | carpenter squares |
| 3,150X | Dec. 21, 1819 | S. Simmons | Rockers for cradles, chairs, etc. | |
| 3,151X | Dec. 21, 1819 | J. Corbett | Machine for boring holes in posts | wood drilling and boring |
| 3,152X | Dec. 21, 1819 | L. Greene | Straw Cutting Machine | hay or straw cutters |
| 3,153X | Dec. 21, 1819 | B. Croasdale | Improvement in making brushes from broom corn | brushes or brooms |
| 3,154X | Dec. 24, 1819 | J. Crumbacker | Improvement in making razor strops | |
| 3,155X | Dec. 24, 1819 | A. Lynar | Method of hanging bells | |
| 3,156X | Dec. 24, 1819 | T. Rowand | Mode of hollowing out iron bar, tire for wagons, etc. | |
