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All Patents in class 425/311 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 177,851 | May 23, 1876 | P.H. Kells | Improvement in brick and tile machines | |
![]() | RE8,867 | Aug. 19, 1879 | P.H. Kells | Improvement in brick-machines | |
328,339 | Oct. 13, 1885 | P. Reuhl | Ornamental roller-die for moldings |