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| All Patents in class 30/428 | |||||
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| Number | Date | Patentee | Title | Type | |
| 44,856 | Nov. 01, 1864 | W.C. Dick | Can Opener | can and jar openers | |
| 144,051 | Oct. 28, 1873 | D.A. Barnes | Can-Openers and Pipe-Cutters | pipe cutters | |
| 153,391 | Jul. 21, 1874 | A.V. Sprague | Improvement in can-openers | combination cork extractors | |
| 347,067 | Aug. 10, 1886 | J. Sample | Can-Opener | ||
| 667,243 | Feb. 05, 1901 | H. McCleary | Can Opener | ||
| 893,405 | Jul. 14, 1908 | E. Johnson, J.A. Weisbeck | Jar Opening Wrench | jar wrenches | |