| Patents for James L. Haven & Co. |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 3,131X | Sep. 06, 1819 | T. Blanchard | Turning irregular forms | wood lathes |
| 9,431 | Nov. 30, 1852 | J. Guild | Mortising-machine | mortising machines |
| 22,802 | Feb. 01, 1859 | I.A. Hedges | Improvement in mills for grinding cane, &c. | sugar cane apparatus |
| 39,182 | Jul. 07, 1863 | I. Straub | Improvement in sugar-cane-crushing mills | sugar refining apparatus |
| 61,424 | Jan. 22, 1867 | J.L. Haven | Improved meat-cutter | butcher |
| D2,674 | Jun. 18, 1867 | G.P. Darrow | Design for a Plough-Clevis | clevises |
| 81,480 | Aug. 25, 1868 | G.P. Darrow | Improvement in cast nuts | |
| D3,785 | Dec. 14, 1869 | G. Johnson (Administrator), G.P. Darrow | Design For A Plow-Clevis | clevises |
| 99,716 | Feb. 08, 1870 | T.J. Shannon | Improvement in molding-cutter | cutterheads |
| RE4,028 | Jun. 14, 1870 | J. Lemman | Improved bedstead-fastening | |
| D4,922 | May 23, 1871 | H.L. Fry | Design for chain-pumps | |
| D4,945 | May 30, 1871 | H.L. Fry | Design for a chain-pump | |
| 133,133 | Nov. 19, 1872 | H.L. Whitman | Improvement in cider-mills | cider presses |
| 148,211 | Mar. 03, 1874 | J.L. Haven | Improvement in sausage-stuffers | |
| RE5,890 | May 26, 1874 | H.L. Whitman | Improvement in cider-mills | cider presses |
