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| All Patents in class 416/242 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | D4,629 | Feb. 07, 1871 | C.S. Hall | Design for a show-card | |
 | 1,161,926 | Nov. 30, 1915 | W.H. Carrier | Centrifugal fan | |
 | 1,314,049 | Aug. 26, 1919 | A.A. Criqui | Centrifugal fan | |
 | 1,341,882 | Jun. 01, 1920 | A.A. Criqui | Centrifugal fan | |
| 1,613,816 | Jan. 11, 1927 | G.A. Biggs | Runner for Turbines | ||