YL

Yiu Ching Liu

🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #12,581 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4885446 Load-responsive microwave oven turntable 1989-12-05
4808781 Directly driven microwave oven turntable top 1989-02-28