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All Patents in class D23/411 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | D27,518 | Aug. 10, 1897 | W.E. Canedy | Design for a blower-frame | |
![]() | D34,880 | Jul. 30, 1901 | H.B. Keiper | Design for a stand for rotary blowers and forges | |
![]() | D34,881 | Jul. 30, 1901 | H.B. Keiper | Design for a stand for rotary blowers and forges |