YI

Yasunori Ishizuka

RY Ryobi: 1 patents #160 of 309Top 55%
Overall (All Time): #3,950,959 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D295367 Door closer Tosiaki Saito 1988-04-26