| Patents for Henry L. Whitman |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 114,500 | May 02, 1871 | H.L. Whitman | Improvement in grain-separators | corn and grain separators |
| 133,133 | Nov. 19, 1872 | H.L. Whitman | Improvement in cider-mills | cider presses |
| RE5,890 | May 26, 1874 | H.L. Whitman | Improvement in cider-mills | cider presses |
| RE5,982 | Jul. 21, 1874 | H.L. Whitman | Improvement in cider-mills | cider presses |
| 157,047 | Nov. 17, 1874 | H.L. Whitman | Improvement in corn-shelling machines | corn shellers |
| 175,888 | Apr. 11, 1876 | H.L. Whitman | Improvement in corn-shellers | corn shellers |
| 178,496 | Jun. 06, 1876 | H.L. Whitman | Improvement in cider-mills | cider presses |
| 282,089 | Jul. 31, 1883 | P.J. Kelley | Continuous baling-press | hay or straw binders |
| 307,610 | Nov. 04, 1884 | H.L. Whitman | Broadcast seed-sower | seeders |
| 321,071 | Jun. 30, 1885 | H.L. Whitman | Harrow | harrows |
| 373,870 | Nov. 29, 1887 | H.L. Whitman, G.F. Whitman | Broadcast seed-sower | seeders |
| 392,898 | Nov. 13, 1888 | H.L. Whitman, C.E. Whitman | Friction-clutch and brake for baling-presses | hay or straw binders |
| 410,473 | Sep. 03, 1889 | H.L. Whitman | Baling-press | hay or straw binders |
| 446,311 | Feb. 10, 1891 | H.L. Whitman | Baling-press | hay or straw binders |
| 472,838 | Apr. 12, 1892 | H.L. Whitman | Baling-press | hay or straw binders |
