| Patents Granted on 1815-03-__ |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 2,275X | Mar. 01, 1815 | J. Morris | Stop cock | |
| 2,276X | Mar. 01, 1815 | O. Pettibone | Cider mill press | cider presses |
| 2,277X | Mar. 02, 1815 | S. Snow | Tables | |
| 2,278X | Mar. 07, 1815 | P. Tomlinson | Furnaces and Fire Places for Heating, Boiling, and Evaporating Water and Other Liquids | furnaces |
| 2,279X | Mar. 14, 1815 | B. Otis | Perspective protractor | protractors |
| 2,280X | Mar. 27, 1815 | J. Smallman | Pump | pumps |
| 2,281X | Mar. 27, 1815 | P. Cooper | Cradle | |
| 2,282X | Mar. 27, 1815 | T. Siddel | Warping machine | weaver |
| 2,283X | Mar. 30, 1815 | L.M. Richards | Boiler | stationary boilers |
| 2,284X | Mar. 30, 1815 | J. Mason | Machine for cutting and heading screws | screw machines |
