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| All Patents in class 164/387 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 3,427 | Feb. 07, 1844 | T. Loring | Improvement in flasks for molding hinges | |
![]() | 2,221,141 | Nov. 12, 1940 | E.T. Kindt | Dowel pin | |