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All Patents in class 411/294 | |||||
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Picture | Number | Date | Patentee | Title | |
1,528,143 | Mar. 03, 1925 | F.B. Cockburn | Lock Nut | ||
![]() | 1,616,286 | Feb. 01, 1927 | E.B. Stimpson | Bolt and nut assembly | |
![]() | 2,250,324 | Jul. 22, 1941 | R.S. Baker | Band saw guard and guide |