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Patents for Harvey R. Plummer
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,675,604Apr. 20, 1954H.R. PlummerToolholderinsert tool holders
3,178,739Apr. 20, 1965W.M. Ritter, H.R. PlummerDouble Float Tool Holdermilling machine tools
3,295,187Jan. 03, 1967H.R. PlummerAdjustable Block Type Cutting Tool With Clamped on Insert Bladesinsert tool holders
3,348,434Oct. 24, 1967H.R. PlummerBoring Bar Assembly for Deep Hole Boringboring bars
4,054,977Oct. 25, 1977H.R. PlummerBlock Type Cutting Tool With Positive Clamp for Insert Bladesinsert tool holders
4,354,305Oct. 19, 1982W.E. Keller, H.R. PlummerContouring and Threading Attachment for Multi Function Machine Toolsmetalworking machine mechanisms
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