| All Patents in class 241/296 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 8,419X | Sep. 25, 1834 | I.W. Elmore | Dressing mill stones | miller |
| 9,108X | Sep. 18, 1835 | D.B. Napier | Dressing stones | miller |
| 1,739 | Aug. 25, 1840 | T.J. Wells | Machine for grinding apples and other fruit | food grinders |
| 2,581 | Apr. 23, 1842 | J.H. Burrows | Millstone | corn grinders |
| 12,030 | Dec. 05, 1854 | H.R. Miller | Mill for Shelling and Grinding Corn | miller |
| 79,865 | Jul. 14, 1868 | W.D. Leavitt, H. Shaw | Improvements in grinding-plates for grist-mills | |
| RE3,122 | Sep. 15, 1868 | H. Shaw, W.D. Leavitt | Improvements in grinding-plates for grist-mills | |
| 124,558 | Mar. 12, 1872 | J.S. Elliott, J.F. Wood | Improvement in the manufacture of millstones | |
| 213,900 | Apr. 01, 1879 | G. Helfert | Ventilating Millstones | mill stones |
| 905,492 | Dec. 01, 1908 | L.E. Bauer | Attrition-Mill Plate | grinding mills |
| 1,251,905 | Jan. 01, 1918 | M.R. Martin | Grinding Disc or Bur | |
| 1,587,863 | Jun. 08, 1926 | G.W. Rynders | Grinding Burr | corn grinders |
| 2,284,789 | Jun. 02, 1942 | K.C. Allen | Mill for granulating and pulverizing coffee | coffee mills |
