SK

Seiya Kitaoka

SC Seikosha Co.: 1 patents #184 of 312Top 60%
Overall (All Time): #3,919,349 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4799204 Alarm stop device for a timepiece Masao Hanya 1989-01-17