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| All Patents in class 16/441 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,817X | Oct. 31, 1831 | S. Richards | Glass knobs | ||
| 140,735 | Jul. 08, 1873 | H.E. Shepard | Improvement in plastic compositions for the manufacture of knobs and other molded articles | ||
| 1,519,166 | Dec. 16, 1924 | P. Rauch | Brace Tool | brace wrenches | |
| 3,336,703 | Aug. 22, 1967 | H.C. Bulter | Portable power tool | handheld power sanders | |