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All Patents in class 221/264 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,487,365 | Mar. 18, 1924 | E.B. Stimpson | Rivet-setting machine | |
![]() | 1,651,976 | Dec. 06, 1927 | E.B. Stimpson | Rivet-setting machine |