| X Patents |
Patents 301 -
315
of 9755
      |
| Number | Date | Patentee | Title | Type |
| 301X | Sep. 17, 1800 | E. Weld | Clothes Washer | washing machines |
| 302X | Oct. 24, 1800 | R. Mansfield | Brick Machine | brick maker |
| 303X | Oct. 24, 1800 | A. Brookfield | Raising water for mills | water elevators |
| 304X | Oct. 24, 1800 | J.J. Hawkins | Improvement in musical instruments | music instrument maker |
| 305X | Oct. 24, 1800 | J. Grout, Jr. | Telegraph | telegraphy apparatus |
| 306X | Nov. 17, 1800 | S. Morey | Steam Engine | steam engines |
| 307X | Nov. 20, 1800 | W. Young | Hanging Windows Without Weights | doors and windows |
| 308X | Jan. 17, 1801 | J. Canon | Machine for breaking flax | flax and hemp machines |
| 309X | Jan. 17, 1801 | J. Wheaton | Jaundice bitters | medical pills and syrups |
| 310X | Jan. 22, 1801 | E. Whiting | Cotton gin | cotton gins |
| 311X | Jan. 26, 1801 | H. Guest | Sheathing vessels | shipwright |
| 312X | Jan. 26, 1801 | A. Anderson | Brewing with Indian corn | distilling |
| 313X | Jan. 26, 1801 | A. Anderson | Condensor for heating wash in distilling | distilling apparatus |
| 314X | Jan. 29, 1801 | J. Sharples | Giving motion to wheels within cylinders | industrial machine mechanisms |
| 315X | Feb. 12, 1801 | W. Henderson | Improvement in the construction of stoves | stoves |
