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| All Patents in class 16/417 | |||||
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| Number | Date | Patentee | Title | Type | |
| FX-9,185 | Oct. 17, 1835 | O. Newton | Glass knobs | glassmaker | |
| 140,735 | Jul. 08, 1873 | H.E. Shepard | Improvement in plastic compositions for the manufacture of knobs and other molded articles | ||