KD

Katsushiro Ishikawa, deceased

IC Ishikawa Gasket Co.: 1 patents #27 of 48Top 60%
Overall (All Time): #3,788,343 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5277433 Metal laminate gasket with surface pressure adjusting ring Itsuo Ishikawa 1994-01-11