| All Patents in class 241/146 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 5,845X | Feb. 23, 1830 | I. Wilson | Mill for grinding corn (Grist mill) | grist mills |
| 7,130X | Jun. 22, 1832 | E. Parker, H. White | Coffee and spice mill | coffee mills |
| 7,696X | Aug. 03, 1833 | E. Hale | Rotary pump | pumps |
| FX-7,696 | Aug. 04, 1833 | A. Clark | Coffee mill | coffee mills |
| 2,944 | Feb. 04, 1843 | B.A. Beardsley | Mill for Grinding Bark | bark processing machines |
| 23,702 | Apr. 19, 1859 | P. Perry | Combined Grinding Mill, Corn Sheller and Straw Cutter | hay or straw cutters |
| 24,266 | May 31, 1859 | A. Orvis | Grinding-mill | wood grinding machines |
| 103,881 | Jun. 07, 1870 | L.N. Hermance | Improved bark-mill | bark processing machines |
| 220,626 | Oct. 14, 1879 | W.D. Leavitt | Improvement in machines for manufacturing flour | grist mills |
| 221,707 | Nov. 18, 1879 | E. Totman | Improvement in grinding-mills | grist mills |
| 227,465 | May 11, 1880 | O.E. Winger | Grinding-Mill | grist mills |
| 471,345 | Mar. 22, 1892 | D.C. Stover | Grinding Mill | grinding mills |
| 2,090,634 | Aug. 24, 1937 | D.A. Meeker | Food handling apparatus | |
| 2,141,310 | Dec. 27, 1938 | D.A. Meeker | Coffee mill | coffee mills |
