Inventor
HATTORI IKUO
JP3 patents
Patents
3 patentsUS6595844B1Jul 22, 2003
Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones
ATOCK CO LTD45 citations94
US6595845B1Jul 22, 2003
Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones
ATOCK CO LTD24 citations90
US6203416B1Mar 20, 2001
Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones
ATOCK CO LTD27 citations90