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| All Patents in class 83/674 | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,153 | Jul. 03, 1855 | W. Adamson | Sandpaper-cutting machine | ||
| 4,848,202 | Jul. 18, 1989 | C.P. Crampton | Cut off or cross perforator or scoring cylinder with quick blade release | ||