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All Patents in class 86/49 | |||||
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Picture | Number | Date | Patentee | Title | |
1,931,452 | Oct. 17, 1933 | L.G. Wheeler | Hydraulic machine tool feed | ||
![]() | 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool | |
2,042,379 | May 26, 1936 | P.R. Guirl, J.S. Barnes | Metal Working Apparatus | ||
2,077,109 | Apr. 13, 1937 | A. Jasmin | Tool Holder |