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| All Patents in class 74/47 | |||||
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| Number | Date | Patentee | Title | Type | |
| 288,778 | Nov. 20, 1883 | G. Davis | Foot Power | human powered apparatus | |
| 1,259,545 | Mar. 19, 1918 | H.I. Finch, C.R. Meston | Adjustable oscillating fan | ||
| 3,026,778 | Mar. 27, 1962 | J.G. Jorgenson, A.H. Fotsch | Machine Tool | milling machines | |