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| All Patents in class 222/577 | |||||
| Number | Date | Patentee | Title | Type | |
| AI179 | Nov. 03, 1857 | K. Goddard | Inkstand | ||
| 366,206 | Jul. 12, 1887 | S. Darling | Inkstand | draftsman | |
| 369,101 | Aug. 30, 1887 | S. Darling | Inkstand | draftsman | |