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All Patents in class 366/317 | |||||
Number | Date | Patentee | Title | Type | |
211,576 | Jan. 21, 1879 | C.A. Lawton, E.W. Arndt | Improvement in bran-dusters | grain hullers | |
1,766,999 | Jun. 24, 1930 | H.L. Johnston | Food-handling machine |