| Patents for Whitman Agricultural Co. |
Patents 1 -
15
of 32
      |
| 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 |
| 233,053 | Oct. 05, 1880 | C.E. Whitman | Corn-sheller | corn shellers |
| 282,089 | Jul. 31, 1883 | P.J. Kelley | Continuous baling-press | hay or straw binders |
| 295,089 | Mar. 11, 1884 | C.E. Whitman | Baling-press | hay or straw binders |
| 307,610 | Nov. 04, 1884 | H.L. Whitman | Broadcast seed-sower | seeders |
| 309,374 | Dec. 16, 1884 | M.C. Bignall, G.W. Whitman | Pipe cutting and threading machine | pipe cutting machines |
| 321,071 | Jun. 30, 1885 | H.L. Whitman | Harrow | harrows |
| 362,875 | May 10, 1887 | E. Butterfield | Baling-press | hay or straw binders |
| 363,269 | May 17, 1887 | C.E. Whitman | Baling-press | hay or straw binders |
