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All Patents in class 254/358 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 199,955 | Feb. 05, 1878 | A. Box | Improvement in screw hoisting-pulley apparatus | |
![]() | 411,165 | Sep. 17, 1889 | O.H. Noack | Hoisting-gear | |
![]() | 760,908 | May 24, 1904 | P. Mullen | Hoisting mechanism | |
812,137 | Feb. 06, 1906 | W.S. Kelley | Traction Engine |