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All Patents in class 188/158 | |||||
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Picture | Number | Date | Patentee | Title | |
1,945,048 | Jan. 30, 1934 | D.C. Klausmeyer | Electric rail clamp for mobile drills | ||
![]() | 2,330,985 | Oct. 05, 1943 | W.R. Meyer | Spindle Control Mechanism | |
![]() | 2,660,932 | Dec. 01, 1953 | H.C. Kemper, N.D. Cooper | Automatic cycle machine tool |