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All Patents in class 74/745 | |||||
Number | Date | Patentee | Title | Type | |
2,575,792 | Nov. 20, 1951 | R.D. Bullard, J.H. Sherwood, P.M. Geist | Control Mechanism | ||
2,682,182 | Jun. 29, 1954 | J.B. Armitage | Machine Tool | milling machines | |
2,814,959 | Dec. 03, 1957 | F.L. Dodge | Variable speed drive | metal lathes |