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| All Patents in class 235/85R | |||||
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| Number | Date | Patentee | Title | Type | |
| 67,269 | Jul. 30, 1867 | F.J. Coffin | Improvement in Slides for Rules, Scales and Tables | rule attachments | |
| 1,980,546 | Nov. 13, 1934 | E.S. Hineline, W.H. Petit | Photographic Camera | cameras | |