| Patents Granted on 1803-06-?? |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 458X | Jun. 04, 1803 | J. Biddis, L.J. Kilborn | Improvement in the method of distilling or making alcohol | distilling apparatus |
| 459X | Jun. 07, 1803 | W. Mitchell, T. Bedwell | Improvement in Extracting the Effective Matter Contained in Barks for Dying | |
| 460X | Jun. 10, 1803 | D. Morse | Machine for Making Hinges | |
| 461X | Jun. 13, 1803 | E. Corning, Sr. | Improvement in the Manufacturing of Hats | making hats |
| 462X | Jun. 15, 1803 | R. Giles, R. Graves, S. Morey | Steam Engine | steam engines |
| 463X | Jun. 15, 1803 | W. Bache, A. Day, I. Todd | Physiognotrace | physiognotraces |
| 464X | Jun. 23, 1803 | J. Warring, W. Keeler | Rocking churn | churns |
| 465X | Jun. 25, 1803 | L. Stanley | Machine for shearing woolen and other cloths | cloth shearing machines |
| 466X | Jun. 28, 1803 | B. Standring | Machine for breaking and carding wool | spinner |
| 467X | Jun. 28, 1803 | N. Young | Machine for Pulling Hair Off Skins | feather and hair removing machines |
| 468X | Jun. 28, 1803 | W. Ashbridge | Improvement in the construction of iron cabooses | |
| 469X | Jun. 30, 1803 | R. Heterick | Improvement Called the Columbia Fireplace | fireplaces |
