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| All Patents in class 254/412 | |||||
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| Number | Date | Patentee | Title | Type | |
| 12,776 | May 01, 1855 | C. Cowdry, O. Tolls, C.C. Tolls | Wheelwrights Boring & Tenoning Machine | drilling and boring | |
| 471,519 | Mar. 22, 1892 | P. Freund | Pulley Block | industrial machine pulleys and belt drive mechanisms | |
| 508,538 | Nov. 14, 1893 | J. Chase | Electric-railway trolley | ||