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| All Patents in class 74/414 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 54,589 | May 08, 1866 | S.W. Palmer, J.F. Palmer | Improvement in gearing | |
 | 134,237 | Dec. 24, 1872 | C.H. Amidon | Improvement in drills | |
 | 173,467 | Feb. 15, 1876 | W. Hill | Improved Gear-Wrench | |
 | 220,144 | Sep. 30, 1879 | E. Harrington | Improvement in hoisting-pulley apparatus | |
 | 244,290 | Jul. 12, 1881 | J.C. Pennington, E.J. Pennington | Reciprocating cylinder-head for planing-machines | |