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| Patents for Benjamin Lapham | |||||
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| Picture | Number | Date | Patentee | Title | |
| 5,454X | Apr. 15, 1829 | E. Cady, B. Lapham | New and Useful Machine for the Forming and Constructing of Hat Bodies | ||
| 7,456X | Mar. 01, 1833 | B. Lapham | Process of converting lard or tallow into separate substances | ||
| 7,816X | Nov. 19, 1833 | B. Lapham | Forcing pump | ||
| 9,791X | Jun. 28, 1836 | B. Lapham | Take-up (Loom, power) | ||