| All Patents of Type: mill stones |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 117X | May 28, 1796 | O. Evans | Improvment in Burr Mill Stones | mill stones |
| 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 |
| 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 |
| 9,577X | Mar. 31, 1836 | A. Taylor | Cooling mill-stones | mill stones |
| 72,812 | Dec. 31, 1867 | C. Custer | Millstone-Bush | mill stones |
| 110,843 | Jan. 10, 1871 | H.F. Frisbie | Millstone Bush | mill stones |
| 213,900 | Apr. 01, 1879 | G. Helfert | Ventilating Millstones | mill stones |
| 216,048 | Jun. 03, 1879 | D.W. Marmon | Shell for Encasing Millstones | mill stones |
