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All Patents in class 256/47 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 119,740 | Oct. 10, 1871 | N. Campbell | Improvement in curtain-fixtures | |
![]() | 680,399 | Aug. 13, 1901 | W.F. Seargeant | Slat and Wire Fence Machine |