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All Patents in class 411/502 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 481,123 | Aug. 16, 1892 | J.L. Thomson | Rivet | |
![]() | 940,083 | Nov. 16, 1909 | E.B. Stimpson | Stud or rivet | |
![]() | 1,013,625 | Jan. 02, 1912 | E.B. Stimpson | Rivet |