RK

Ritsuo Kawase

NO Nok: 2 patents #242 of 725Top 35%
Overall (All Time): #2,318,016 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5035272 Device for sealing refueling opening 1991-07-30
4898395 Device for sealing refueling opening 1990-02-06