NS

Nan C. Shih

📍 Changhua City, TW: #1 of 16 inventorsTop 7%
Overall (1989): #19,402 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4852922 Tubular door lock with a bell — 1989-08-01
4800833 Tubular door lock with a bell — 1989-01-31