| Patents Granted on 1803-??-?? |
Patents 1 -
15
of 101
      |
| Number | Date | Patentee | Title | Type |
| 416X | Jan. 01, 1803 | S. Rouse | Caboose of a vessel for distilling fresh from salt water | distilling apparatus |
| 417X | Jan. 04, 1803 | G.F. Saltonstall | Saw mill for cleaning cotton | miller |
| 418X | Jan. 07, 1803 | C. Hoxie | Machine for hulling rice | miller |
| 419X | Jan. 27, 1803 | T. Moore | Refrigerator for domestic uses | ice boxes and refrigerators |
| 420X | Feb. 01, 1803 | J. Moffat | Boiler for accelerating the evaporation of liquids | stationary boilers |
| 421X | Feb. 01, 1803 | J. Moffat | Improvement in Stills | steam stills |
| 422X | Feb. 01, 1803 | B. Cooley | Machine for raising water | water elevators |
| 423X | Feb. 01, 1803 | J. Peasley | Manufacturing Marle into Lime | manufacturing lime |
| 424X | Feb. 11, 1803 | C.J. Hutter | Making Brandy Out of All Kinds of Grain or Fruit | distilling |
| 425X | Feb. 14, 1803 | M. Coates | Machine for paring applies | apple parers |
| 426X | Feb. 14, 1803 | A. Stowell | Auger Gage | auger bits |
| 427X | Feb. 14, 1803 | O. Bartlett, G. Bartlett, O. Bartlett | Machine for making hot wrought nails | nail making machines |
| 428X | Mar. 07, 1803 | W. Bell, J. DeMontmollin | Roller cotton gin | cotton gins |
| 429X | Mar. 07, 1803 | J. Naylor | Improvement in Extracting a Spirit From Starch Water | distilling |
| 430X | Mar. 07, 1803 | S. Bent | Wheel to turn under water | water wheels |
