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Patents Granted on 1931-06-02
Patents 1 - 5 of 5
First set of recordsLast set of records
1,807,625Jun. 02, 1931H.J. HjorthValve Wrenchwrenches
1,807,829Jun. 02, 1931E.P. Bullard, Jr.Double Angular Tool Slidemetalworking machine mechanisms
1,807,896Jun. 02, 1931E. CheshireViseprinter
1,808,190Jun. 02, 1931F.J. VlchekWrench Set Unitwrench set holders
1,808,228Jun. 02, 1931E. Hulack, J.W. NissrodAttachment for electric drillshandheld power tool accessories
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