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| Patents for Evaristo Conrado Engelberg | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 341,324 | May 04, 1886 | E.C. Engelberg | Machine for hulling rice | |
 | 383,285 | May 22, 1888 | E.C. Engelberg | Rice-hulling machine | |
 | 424,602 | Apr. 01, 1890 | E.C. Engelberg | Rice-hulling machine | |
 | 1,105,635 | Aug. 04, 1914 | E.C. Engelberg | Machine for hulling and polishing rice | |