| All Patents of Type: harrows |
Patents 1 -
15
of 46
      |
| Number | Date | Patentee | Title | Type |
| 803X | Nov. 18, 1807 | S. Vinton | Plough harrow | plows |
| 3,786X | Dec. 08, 1823 | W. McConaughey | Making harrow teeth | harrows |
| 3,880X | Jun. 01, 1824 | A. Newbern (Newborn) | Hoe harrow | harrows |
| 3,960X | Nov. 09, 1824 | J. Pratt, H. Hopkins | Self-sharpening harrow | harrows |
| 4,258X | Nov. 08, 1825 | W. Beach | Teeth for cultivator or hoe harrow | harrows |
| 4,397X | Apr. 13, 1826 | W. Beach | Tooth of cultivator or harrow | harrows |
| 4,494X | Jul. 11, 1826 | L. Tam | Cleave harrow for clearing ground | harrows |
| 4,668X | Feb. 16, 1827 | W. McConaughey | Apparatus for constructing harrow teeth | harrows |
| 4,842X | Jul. 31, 1827 | I. Cheatham | Harrow and plough hoe | plows |
| 5,895X | Mar. 30, 1830 | L.C. Tam | Harrow teeth fluke | harrows |
| NX-183,003,301 | Mar. 30, 1830 | L.C. Tam | Harrow Teeth Fluke | harrows |
| 6,331X | Jan. 11, 1831 | S. Rugg | Revolving harrow | harrows |
| 6,747X | Sep. 03, 1831 | W.P. Sample | Cotton cultivating machine | harrows |
| 7,160X | Jul. 09, 1832 | N. Stanton, Jr. | Corn and grain harrow and cultivator | harrows |
| 7,188X | Jul. 28, 1832 | J.D. Woodside | Revolving cylindrical harrow | harrows |
