| Patents Granted on 1831-06-?? |
Patents 1 -
15
of 59
      |
| Number | Date | Patentee | Title | Type |
| 6,553X | Jun. 13, 1831 | J. Parsons | Grist mill | grist mills |
| 6,554X | Jun. 13, 1831 | J. Ambler, Jr. | Soda water apparatus | |
| 6,555X | Jun. 13, 1831 | S. Eckstein | Machine for washing rags | |
| 6,556X | Jun. 13, 1831 | C. Baker | Churn | churns |
| 6,557X | Jun. 13, 1831 | P. Barlow | Rifle for sharpening tools | |
| 6,558X | Jun. 13, 1831 | J. Barron | Improvement on patent of Nov. 27, 1830 mechanical fam | |
| 6,559X | Jun. 13, 1831 | E. Bond | Corn Sheller | corn shellers |
| 6,560X | Jun. 13, 1831 | J. Brown | Spinning cotton and other fibrous material | spinner |
| 6,561X | Jun. 13, 1831 | J. Standish, J. Brown | Throstle frame and bobbin regulator | spinner |
| 6,562X | Jun. 13, 1831 | W. Bryant, I. Hiett | Rail-way carriage (Railway car) | |
| 6,563X | Jun. 13, 1831 | I. Hiett, J. Case | Propelling machinery and driving mill stones without cogs | |
| 6,564X | Jun. 13, 1831 | C. Fletcher, J. Catlin | Lever steam rotary steam engine | steam engines |
| 6,565X | Jun. 13, 1831 | M.L. Chase | Balancing and adjusting stones in mills | mill stones |
| 6,566X | Jun. 13, 1831 | H. Henderson, J. Clark | Machine for cutting crackers, biscuits, etc. | cracker and biscuit machines |
| 6,567X | Jun. 13, 1831 | B.P. Coston | Meat chopper | meat choppers |
