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Home › Inventors › Katsuyuki Totsu
KT

Katsuyuki Totsu

Overall (2002): #26,399 of 266,432Top 10%
3 Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6393953 Combination of screw with driver bit or wrench — 2002-05-28
6378406 Combination of driver bit and screw — 2002-04-30
6341546 Screw, driver bit and header punch for manufacture of screw — 2002-01-29

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