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All Patents in class 74/141.5 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 527,102 | Oct. 09, 1894 | J. Barrett | Jack | |
![]() | 732,523 | Jun. 30, 1903 | W.H. Cox | Lifting-jack | |
![]() | 2,227,397 | Dec. 31, 1940 | M.B. Lucker | Jack |