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| All Patents in class 72/326 | |||||
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| Number | Date | Patentee | Title | Type | |
| 49,836 | Sep. 05, 1865 | H.S. Shepardson | Grater for spices and fruits | food grinders | |
| 654,607 | Jul. 31, 1900 | O. Colborne | Punching Press | punch presses | |
| 1,799,483 | Apr. 07, 1931 | W.A. Smith | Method of and machine for making one-piece mop heads | ||