| Patents Granted on 1830-12-?? |
Patents 1 -
15
of 48
      |
| Number | Date | Patentee | Title | Type |
| 6,267X | Dec. 06, 1830 | D.C. Ambler, J. Ambler, Jr. | Pressure or weighted grist mill | grist mills |
| 6,268X | Dec. 06, 1830 | T.D. Burrall | Thrashing and winnowing wheat and small grain | threshers and thrashers |
| 6,269X | Dec. 06, 1830 | C. Thompson | Machine for making window sashes | window making machines |
| 6,270X | Dec. 07, 1830 | A. Foote | Washing machine | washing machines |
| 6,271X | Dec. 14, 1830 | D. Cushing, J. Blake | Improved Bed Key | wrenches |
| 6,272X | Dec. 14, 1830 | C.B. Burness | Machine for sawing veneers | veneer machines |
| 6,273X | Dec. 14, 1830 | R. Coffey | Planting corn and peas | |
| 6,274X | Dec. 14, 1830 | T.G. Fessenden | Portable steam and hot water stove | stoves |
| 6,275X | Dec. 14, 1830 | T. Gallaher | Distilling | |
| 6,276X | Dec. 14, 1830 | M.J. Gardner | Turning lathe | engine lathes |
| 6,277X | Dec. 14, 1830 | J.C. Gentry | Portable Power Machine for Conveying Animal to Machinery | animal powered apparatus |
| 6,278X | Dec. 14, 1830 | G. Jessup | Improvement on Ballon's thrashing machine | threshers and thrashers |
| 6,279X | Dec. 14, 1830 | J. Knight | Truss | |
| 6,280X | Dec. 14, 1830 | A. Little | Making spoons | |
| 6,281X | Dec. 14, 1830 | G.B. Manly | Manufacturing wrought nails | nail making machines |
