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All Patents in class 74/136 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 72,632 | Dec. 24, 1867 | D.F. Hartford | Improvement in Stringing Bow-Drill Stocks | |
150,840 | May 12, 1874 | R. Swarbrick, E. Duffy | Treadles | ||
![]() | 321,932 | Jul. 07, 1885 | W.S. Kelley | Bicycle | |
324,509 | Aug. 18, 1885 | E. Winans | Power Transmitting Machinery | ||
434,447 | Aug. 19, 1890 | W.R. Hunter | Mechanical Motor | ||
642,637 | Feb. 06, 1900 | W.W. Small | Device for Converting Reciprocating Movement into Rotary Motion |