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| All Patents in class 281/6 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 250,467 | Dec. 06, 1881 | S. Wheeler | Portable writing-case | |
![]() | 438,871 | Oct. 21, 1890 | E.E. Euchenhofer, C.J. Weinman | Writing-tablet for roll-paper | |