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Patents Granted on 1927-06-07
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,631,247Jun. 07, 1927C.M. ConradsonGyratory Grinding Machinegrinders
1,631,386Jun. 07, 1927A. Schaaf, J.O. Groff, W. SeymourMetal Bending Machinemetal bending machines
1,631,579Jun. 07, 1927E.P. Bullard, Jr.Tool Slide Mechanismmetalworking machine mechanisms
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