Patents for Frank W. Hack


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Patents for Frank W. Hack
Patents 1 - 3 of 3
Number	Title	Classification(s)
2,181,128	Universal Machine Tool	29/27B, 29/27R, 409/219
2,318,938	Universal Machine Tool	29/27R, 409/156
2,344,039	Multiversal Machine Tool and Boring Head Therefor	29/26R, 74/341, 74/483R, 74/625, 74/89.38