| All Patents of Type: mill stones |
Patents 1 -
15
of 26
      |
| Number | Date | Patentee | Title | Type |
| 47X | Oct. 23, 1792 | S. Hodge, J. Dorr | Handmill for picking of mill stones | mill stone picks |
| 117X | May 28, 1796 | O. Evans | Improvment in Burr Mill Stones | mill stones |
| 1,521X | May 24, 1811 | B. Ridgeway, Jr., C. Woolverton | Machine for dressing mill stones | mill stone dressers |
| 1,560X | Aug. 15, 1811 | W. Miller | Mill stones | mill stones |
| 2,218X | Nov. 08, 1814 | T. Reynolds | Crane, screw and bale for raising mill stones | cranes |
| 3,034X | Dec. 08, 1818 | G. Manter | Casting faces for mill stones | mill stones |
| 3,690X | May 06, 1823 | L. Norcross | Machine for dressing mill stones | mill stone dressers |
| 4,365X | Mar. 18, 1826 | E. Clark, J. Sawyer | Concave and convex mill stone | mill stones |
| 4,827X | Jul. 23, 1827 | N. Taylor | Bush for a mill stone | mill stones |
| 5,423X | Apr. 03, 1829 | D. Philips | Mill Stone | mill stones |
| 6,565X | Jun. 13, 1831 | M.L. Chase | Balancing and adjusting stones in mills | mill stones |
| 7,423X | Feb. 12, 1833 | J. Preslow | Stones for mills | mill stones |
| 7,437X | Feb. 21, 1833 | J. McDuffee | Hanging and using stones | mill stones |
| 9,450X | Mar. 02, 1836 | S. Etheridge | Mill-stone picks | mill stone picks |
| 9,577X | Mar. 31, 1836 | A. Taylor | Cooling mill-stones | mill stones |
